8221.0 - Manufacturing Industry, Australia, 2006-07 Quality Declaration 
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 26/08/2008  Final
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GLOSSARY

Data presented in this publication have been compiled from the standard financial accounts of businesses; therefore, the definition of each reported item aligns closely with that adopted in standard business accounting practice. Definitions of particular terms, as used in this publication, are also included.

ABN unit

The statistical unit used by the ABS to represent businesses, and for which statistics are reported, in most cases. The ABN unit is the business unit which has registered for an ABN, and thus appears on the ATO administered Australian Business Register. In most cases, the ABN unit represents the legal entity. This unit is suitable for ABS statistical needs when the business is simple in structure. For more significant and diverse businesses where the ABN unit is not suitable for ABS statistical needs, the statistical unit used is the type of activity unit (TAU).

Acquisitions

See the various capital expenditure entries.

Amount exported by this business or its agent

This represents the sales value of goods produced by the business (or for it on commission) that are exported (or are intended for export) outside Australia by the business or by its agent.

Bad and doubtful debts

Represents the amount of bad and doubtful debts written-off, net of bad and doubtful debts previously written-off but recovered.

billion

One thousand million.

Business

A business is generally considered to be a person, partnership, or corporation engaged in business or commerce; for example, a textile product manufacturing business.

In this publication, the term represents the ABN unit or type of activity unit (TAU), which are the two standard statistical units for the 2006-07 manufacturing collection (these two units are explained under separate entries). For details, see Explanatory Notes paragraphs 4-8.

Business Activity Statement (BAS) total sales

Represented by the form item G1 Total sales on businesses' Business Activity Statements, supplied by them to the ATO. This item comprises all payments and other consideration (including GST) received during the nominated tax period for supplies made in the course of business.

Businesses that do not export

Businesses that reported no exports (either by their business or for them by an agent) of goods that they produced.

Businesses that export more than 50% of sales

Businesses that reported exports (either by their business or for them by an agent) of more than 50% of sales of goods that they produced.

Businesses that export up to and including 50% of sales

Businesses that reported exports (either by their business or for them by an agent) of up to and including 50% of sales of goods that they produced.

Capital expenditure on dwellings, other buildings and structures

Capital expenditure incurred acquiring dwellings, other buildings and structures, including roads, factories, warehouses, offices, and bridges. Includes expenses (except capitalised interest) incurred during the year in acquiring such assets.

Capital expenditure on other assets (including land and intangible assets)

Capital expenditure incurred acquiring other assets (including land and intangible assets). Intangible asset purchases may include items such as patents, licences and goodwill. Also included is computer software capitalised, including capitalised computer software licence fees, installation costs, the purchase or development of large databases, software developed in-house (but excluded is software maintenance expenditure), and capitalised payments to contractors and consultants for software development. Note that if the cost of software and hardware cannot be separated, the total cost is included in acquisition of plant, machinery and equipment.

Capital expenditure on plant, machinery and equipment

Capital expenditure incurred acquiring plant, machinery and other equipment, including motor vehicles. Includes expenses (except capitalised interest) incurred during the year in acquiring such assets.

Capital work done for own use

Capitalised work done by the employees or proprietors of a business in manufacturing, constructing, installing or repairing assets, and the in-house development of computer software, for use by the business or for rental or lease. This work is valued at the capitalised costs of the materials and the wages and salaries involved.

Conceptually, under the current international standards, this item should also include own account mineral exploration and own account production of literary, entertainment or artistic originals. However, these activities are relatively unimportant for manufacturers and have not been measured for manufacturing industries.

Capitalised purchases

Goods drawn from inventories for use as fixed tangible assets in capital work done by the employees or proprietors of a business for use by the business or for rental or lease.

Change in inventories

The value of total closing inventories less total opening inventories.

Closing inventories

The value of all inventories of finished goods (including inventories for resale), work-in-progress (less progress payments billed), raw materials, fuels, and containers, at the end of the reporting period.

Commission manufacturing

Significant amounts of manufacturing are undertaken on a commission basis by one manufacturer on behalf of another or on behalf of a non-manufacturer for a fee. Typically, commission manufacturing involves a client commissioning the production of goods utilising materials provided by the client. Ownership of these materials remains with the client. Similarly, the goods made using these materials are owned by the client.

For the purposes of the estimates in this publication, the producing business reports the commission fee as service income and the wages and salaries and any other expenses incurred.

If the client is also a manufacturing business then, in addition to data for its own manufacturing operations, the client reports

  • the sales and inventories of the commissioned goods,
  • the cost of the materials provided to the producing business,
  • the commission fee paid, and
  • the value of any other intermediate inputs related to the commission transaction.

If the client is not a manufacturing business, no data are reported by the client as it is excluded from the manufacturing collection.

Commission expenses

Payments to other businesses and self-employed persons for work done or sales made on a contract or commission basis using materials supplied by the business. Payments to persons paid by commission without a retainer are also included. Excludes commissions paid to persons who receive a retainer, commission paid to the business' own employees, and in-house printing expenses.

Cost of sales

The sum of purchases, selected expenses and opening inventories less closing inventories. Any capitalised purchases are excluded.

Current prices

Estimates at current prices are valued at the prices of the period to which the observation relates. For example, estimates for 2006-07 are valued using 2006-07 prices. This contrasts to chain volume measures, where the prices used in valuation refer to the prices of a previous period.

Depreciation and amortisation

Depreciation/amortisation allowed on tangible and intangible assets. Includes, for lessees only, depreciation/amortisation in respect of finance leases.

Disposal of assets

Proceeds from the sale of tangible assets (plant, machinery, equipment, land, dwellings, other buildings and structures), and intangible assets (such as patents, licences and goodwill).

Earnings before interest, tax, depreciation and amortisation (EBITDA)

Profit prior to the deduction of net interest (interest income minus interest expenses), income tax, depreciation and amortisation. Items classifiable to other income are also excluded.

Employer contributions into superannuation

Includes all employer contributions to superannuation funds (including the employer productivity contribution) and provisions for employer contributions to superannuation funds. Also includes expenses relating to employer funded defined benefit schemes. Employee contributions and salary sacrifice contributions are excluded. Note that salary sacrifice contributions were included in estimates of this item in previous issues of this publication.

Employment at end of June

Number of persons working for manufacturing businesses during the last pay period ending in June of the given year. Includes working proprietors and partners, employees absent on paid or prepaid leave, employees on workers' compensation who continue to be paid through the payroll, and contract workers paid through the payroll. Excludes persons paid by commission only, non-salaried directors, volunteers and self-employed persons such as consultants and contractors.

In order to produce data by state and territory, businesses which received mail out questionnaires were also asked to report employment (as well as wages and salaries, and sales of goods and services) for each state and/or territory in which they operated. For details, see Explanatory Notes paragraph 43.

For details of how employment estimates have been derived, see Technical Note 1 paragraph 19.

Enterprise

An institutional unit comprising:
  • a single legal entity or business entity; or
  • more than one legal entity or business entity within the same enterprise group and in the same institutional sub-sector (i.e. they are all classified to a single Standard Institutional Sector Classification of Australia (SISCA) sub-sector).

Enterprise group

A unit covering all the operations in Australia of one or more legal entities under common ownership and/or control. It covers all the operations in Australia of legal entities which are related in terms of the current Corporations Law (as amended by the Corporations Legislation Amendment Act 1991), including legal entities such as companies, trusts and partnerships. Majority ownership is not required for control to be exercised.

Exports as a proportion of sales of goods produced

For an individual business, this represents the percentage of sales of goods produced by the business (or for it on commission) which are exported (or are intended for export) outside Australia by the business or by its agent. (In table 4.1, the proportion is calculated by dividing the value of goods exported by the value of sales of goods produced by all manufacturing businesses, not just the aggregated value for those units which exported.)

Because the ATO data do not contain this export information, businesses whose contribution to manufacturing estimates was sourced from BAS data do not contribute to these export data. The effect of the exclusion of these businesses is likely to be minimal, in view of their small contribution to overall estimates.

These data also exclude those businesses which operated during the given reference year but were not operating at 30 June of that reference year.

Freight and cartage expenses

Excludes the cost of delivery by own vehicles and employees, as well as overseas freight and cartage on goods exported, and payments to couriers.

Fringe benefits tax

Fringe benefits tax is payable by employers when certain benefits in excess of normal wages or salaries (e.g. free or discounted goods or services) are received by their employees (or associates of employees) in connection with their employment.

Funding from government for operational costs

Funding from federal, state and/or local government for operational costs (e.g. wages and salaries, rent, food). Includes bounties, subsidies, export grants, apprenticeship and traineeship schemes, and amounts reimbursed under the Australian Government's Energy Grants (Fuel Tax Credits) Scheme. Excludes funding from government for specific capital items.

Gross fixed capital formation

Gross fixed capital formation is measured by the total value of a producer's acquisitions, less disposals, of fixed assets during the reference period, plus certain additions to the value of non-produced assets realised bythe productive activity of institutional units.

Fixed assets are tangible or intangible assets produced as outputs from processes of production that are themselves used repeatedly or continuously in other processes of production for more than one year.

The derivation of GFCF is as follows:

Diagram: ROUNDING

Industry class

The structure of ANZSIC comprises four levels, ranging from industry division (broadest level) to industry class (finest level). Activities are narrowly defined within the industry class level, which is identified by a four-digit code, e.g. Industry Class 1351 Clothing manufacturing. Usually, an activity is primarily defined to one class. However, some activities may be primary to more than one class.

Industry division

The structure comprises four levels, ranging from industry division (broadest level) to the industry class (finest level). The main purpose of the industry division level is to provide a limited number of categories which give a broad overall picture of the economy. There are 19 divisions within ANZSIC, each identified by an alphabetical letter, that is, 'A' for Agriculture, forestry and fishing, 'B' for Mining, 'C' for Manufacturing, etc.

Industry group

This is the intermediate level within each industry division of ANZSIC and is identified by a three-digit code, e.g. Industry Group 135 for Clothing and footwear manufacturing. It gives more detail than the industry subdivision, and is created in a way that groups like industry classes together.

Industry subdivision

This is the broadest level category within each industry division of ANZSIC and is identified by a two-digit code, e.g. Industry Subdivision 13 for Textile, leather, clothing and footwear manufacturing. Industry subdivisions are built up from industry groups which, in turn, are built up from industry classes. The manufacturing industry subdivisions are:
      11 Food product mfg
      12 Beverage and tobacco product mfg
      13 Textile, leather, clothing and footwear mfg
      14 Wood product mfg
      15 Pulp, pater and converted paper product mfg
      16 Printing (including the reproduction of recorded media)
      17 Petroleum and coal product mfg
      18 Basic chemical and chemical product mfg
      19 Polymer product and rubber product mfg
      20 Non-metallic mineral product mfg
      21 Primary metal and metal product mfg
      22 Fabricated metal product mfg
      23 Transport equipment mfg
      24 Machinery and equipment mfg
      25 Furniture and other manufacturing

Industry value added (IVA)

IVA represents the value added by an industry to the intermediate inputs used by the industry. IVA is the measure of the contribution by manufacturing businesses to gross domestic product.

The derivation of IVA is as follows:

Diagram: ROUNDING

However, it should be noted that IVA is a measure of economic activity and is not equivalent to operating profit before tax (OPBT). Wage and salary expenses and most other labour costs are not taken into account in its calculation, and nor are most insurance premiums, interest expenses or depreciation and a number of lesser expenses (see the entry for total expenses for further details). On the income side, OPBT includes total income whereas IVA only includes sales and service income.

Industry value added is related to, but different from, the national accounting variable gross value added.

For national accounts purposes, gross value added is calculated by adjusting industry value added to include General Government units and to also account for some other effects.

Industry value added per person employed

IVA of manufacturing businesses which operated during the given year ended 30 June divided by the number of persons employed by manufacturing businesses during the last pay period ending in June of that same year.

Industry value added to selected labour costs

IVA of manufacturing businesses which operated during the year ended 30 June 2007 divided by their selected labour costs, i.e. industry value added / selected labour costs.

Insurance premiums

Premiums for fire, general, accident, public liability, optional third-party and comprehensive motor vehicle insurance, professional indemnity insurance and common law liability. Excludes workers' compensation insurance premiums/costs (included in selected labour costs) and compulsory third party motor vehicle insurance premiums (included in motor vehicle running expenses).

Interest coverage

The number of times that businesses can meet their interest expenses from their earnings before net interest, tax, depreciation and amortisation (EBITDA), i.e. earnings before interest, tax, depreciation and amorisation / interest expenses.

Interest expenses

Includes interest paid on loans from banks, finance companies, partners, and related or unrelated businesses, and in respect of finance leases. Also includes interest equivalents such as hedging costs and expenses associated with discounted bills. Excludes bank charges other than interest and capital repayments.

Interest income

Includes interest received from deposits in banks and non-bank financial institutions, loans, advances, finance leases and earnings on discounted bills. Excludes capital repayments received.

Intermediate input expenses

For details, see the entry for total expenses.

Intermediate inputs

Intermediate inputs consist of materials and certain services which are used up in the production process.

The calculation is:

Diagram: ROUNDING

Inventories - opening/closing

The value of all inventories of finished goods (including inventories for resale), work-in-progress (less progress payments billed), raw materials, fuels, and containers, at the beginning and end of the reporting period respectively.

Investment rate (value added)

The proportion of industry value added (IVA) used to acquire capital, i.e. (capital expenditure / IVA) x 100.

Labour costs

For the purposes of table 1.2, comprises wages and salaries, employer contributions into superannuation, workers' compensation premiums/costs, fringe benefits tax and payroll tax.

Manufacturing business

An ABN unit / TAU predominantly engaged in manufacturing activities. The data collected for such units cover all activities of the business (including non-manufacturing activities).

Motor vehicle running expenses

Includes expenditure on registration fees, compulsory third-party insurance premiums, fuel, and repair and maintenance expenses. Excludes expenses for off-road motor vehicles (e.g. forklifts, mobile plant) and lease payments, optional third party and comprehensive motor vehicle insurance premiums, and depreciation.

Net capital expenditure

The value of total capital expenditure less proceeds received from the disposal of assets.

Opening inventories

The value of all inventories of finished goods (including inventories for resale), work-in-progress (less progress payments billed), raw materials, fuels, and containers, at the beginning of the reporting period.

Operating profit before tax (OPBT)

Profit before extraordinary items are brought to account and prior to the deduction of income tax and appropriations to owners (e.g. dividends paid), i.e. total income - total expenses + change in inventories.

Other income

Includes dividend income and other income such as net profit (or loss) on the sale of fixed tangible assets, net profit (or loss) resulting from variations in foreign exchange rates/transactions, and funding from federal, state and/or local government for specific capital items. It excludes extraordinary profits or losses, i.e. those not associated with the normal operations of the business and of a non-recurring nature.

Other intermediate input expenses

Comprises intermediate input expenses less current purchases of goods and materials used in production (i.e. excludes any capitalised purchases). Further detail is included in the entry for total expenses.

Other selected expenses

Includes expenditure on management fees/charges paid to related and unrelated businesses, bank charges other than interest, audit and other accounting expenses, legal fees, advertising expenses, postal and telecommunication expenses, office supplies and printing expenses, travelling, accommodation and entertainment expenses, staff training, payments for royalties from intellectual property (e.g. patents and copyrights), payments to employment agencies for staff, payroll tax, fringe benefits tax, land tax and land rates, and computer software expenses not capitalised. Some of these expense items are treated as intermediate input expenses in the calculation of industry value added. For details, see the entry for total expenses.

Payroll tax

A tax levied by state and territory governments on the amount of wages and salaries paid by a business. Excludes Pay as You Go withholding tax.

Profit margin

The percentage of sales and service income available as operating profit before tax (OPBT), i.e. (OPBT / sales and service income) x 100.

Purchases and selected expenses

Purchases of goods and materials, rent, leasing and hiring expenses, freight and cartage expenses, motor vehicle running expenses, repair and maintenance expenses, contract, subcontract and commission expenses, and other selected expenses.

Purchases of goods and materials

Purchases of materials, components, containers, packaging materials, fuels, electricity and water, and purchases of finished goods for resale. Also includes capitalised purchases. Excludes purchases of parts and fuels for motor vehicles but includes fuels for off-road vehicles, such as forklifts and mobile plant.

Reference period

For each collection year, businesses are asked to report data for the financial year ended 30 June. However, if a business has a different financial year, it is asked to report (apart from employment) for the 12 month period which ends between 1 October of the previous year and 30 September of the current year. This period is then used as a substitute for the financial year ended 30 June. For example, for the 2006-07 collection, a business may have reported data for the year ended 31 December 2006.

Rent, leasing and hiring expenses

Payments for the rent, leasing and hiring of land, dwellings, other buildings and structures, motor vehicles, plant, machinery and other equipment (including telecommunication equipment). Includes operating lease payments; excludes finance lease payments.

Rent, leasing and hiring income

See the entry for sales and service income.

Repair and maintenance expenses

Includes repair and maintenance of computer and communications software and hardware, and repair and maintenance of off-road motor vehicles. Excludes wages and salaries of own employees and the repair and maintenance costs of on-road motor vehicles.

Sales and service income

Includes:

Sales of goods
  • whether or not manufactured by the business (including goods produced for the business on a commission basis). Includes export sales, sales or transfers to related businesses or to overseas branches of the business, progress payments relating to long term contracts if they are billed in the period, and delivery charges not separately invoiced to customers. Excludes excise and duties received on behalf of the government, sales of assets, interest income, delivery charges separately invoiced to customers, and rent, leasing and hiring income. Exports are valued free on board (f.o.b.), i.e. export freight charges are excluded.

Income from services
  • includes income from consulting services, repair, maintenance and service income and fees, contract, subcontract and commission income, management fees/charges from related and unrelated businesses, installation charges, delivery charges separately invoiced to customers, royalties from intellectual property (e.g. patents and copyrights) and natural resource royalties income. Excludes interest income, and delivery charges not separately invoiced to customers. Under the current international standards, rent, leasing and hiring income (except from finance leases) is also classified as service income.

Rent, leasing and hiring income
  • derived from the ownership of land, dwellings, buildings and other structures, motor vehicles, plant, machinery and other equipment. Excludes royalties from mineral leases, income from finance leases and payments received under hire purchase arrangements. This item is included in sales and service income, but is not separately published.

These are valued net of discounts given and exclusive of goods and services tax (GST). Extraordinary items are also excluded.

In order to produce data by state and territory, selected businesses which received mail out questionnaires were also asked to report sales of goods and services (as well as employment and wages and salaries) for each state and/or territory in which they operated. For details, see Explanatory Notes paragraph 43.

Sales and service income per person employed

The value of sales and service income of manufacturing businesses which operated during the given year end 30 June divided by the number of persons employed by manufacturing businesses during the last pay period ending June of that same year.

Sales of goods produced

Sales of goods produced (manufactured) by the business (including goods produced for the business on a commission basis). Includes export sales, sales or transfers to related businesses or to overseas branches of the business, progress payments relating to long term contracts if they are billed in the period, and delivery charges not separately invoiced to customers. Excludes excise and duties received on behalf of the Government, sales of assets, interest income, and delivery charges separately invoiced to customers. Exports are valued free on board (f.o.b.), i.e. export freight charges are excluded.

Selected expenses

See the entry for purchases and selected expenses.

Selected labour costs

See the entry for total expenses.

Selected labour costs per person employed

The value of selected labour costs paid by manufacturing businesses which operated during the given year ended 30 June divided by the number of persons employed by manufacturing businesses during the last pay period ending in June of that same year.

Standard Institutional Sector Classification of Australia (SISCA)

The SISCA is the central classification among ABS Standard Economic Sector Classifications. It is based on the System of National Accounts 1993 (SNA93) institutional sector classification, and comprises the sectors: non-financial corporations, financial corporations, general government, households, non-profit institutions serving households, and rest of the world (which includes only non-resident units, these being excluded from all other sectors). For more information, users should refer to Standard Economic Sector Classifications of Australia (SESCA) (cat. no. 1218.0).

Superannuation

See the entry for employer contributions into superannuation.

Total acquisitions

The total capital expenditure on the acquisition of plant, machinery and equipment, dwellings, other buildings and structures, and of other assets (including land and intangible assets). Also included is capital work done for own use.

Total expenses

For the purposes of calculating economic and accounting variables, expenses incurred by businesses are divided into several categories. However, some expenses are excluded entirely from all such calculations: excluded are capital repayments, costs associated with the transfer of real estate, dividends, donations, export freight charges, extraordinary losses, foreign exchange losses, goods and services tax (GST), excise and duties payable to governments, income tax and other direct taxes, losses on asset sales, and unrealised gains/losses from revaluations of assets.

Those expenses used for calculations are categorised as follows:

Intermediate input expenses
This category covers the major expenses incurred by businesses in producing and distributing goods and services (except labour costs), and comprises two sub-categories of operating expenses:

Purchases of goods, materials and services used in production, which include:
  • purchases of materials, components, containers and packaging materials, electricity, fuels and water
  • purchases of goods for resale (without any further processing or assembly)
  • motor vehicle running expenses
  • freight and cartage expenses
  • repair and maintenance expenses
  • rent, leasing and hiring expenses (excluding finance lease payments)
  • contract, subcontract and commission expenses.

Expenses related to the sale of goods and administrative expenses, which include:
  • management fees/charges paid to related and unrelated businesses
  • bank charges other than interest
  • audit and other accounting expenses
  • legal fees
  • advertising expenses
  • postal and telecommunication expenses
  • office supplies and printing expenses
  • travelling, accommodation and entertainment expenses
  • staff training
  • payments for royalties from intellectual property (e.g. patents and copyrights)
  • payments to employment agencies for staff.

Excluded from intermediate input expenses are selected labour costs and other operating expenses as detailed below.

Selected labour costs
  • wages and salaries (including provisions for employee entitlements, salary sacrificed earnings, share based payments and stock options)
  • employer contributions into superannuation
  • workers' compensation premiums/costs.

Other operating expenses
Some expenses are excluded from the calculation of intermediate input expenses and selected labour costs, but are included in the calculation of the accounting variable operating profit before tax (OPBT). These expenses include:
  • bad and doubtful debts
  • computer software expenses not capitalised by businesses
  • depreciation and amortisation
  • insurance premiums (except workers' compensation and compulsory third party motor vehicle insurance premiums)
  • interest expenses
  • land tax and land rates
  • other expenses not capitalised by businesses
  • natural resource royalties expenses
  • payroll tax and fringe benefits tax.

Total income

Comprises sales and service income, interest income, funding from government for operational costs, and other income (for details, see the entries for these items).

Trading profit

A measure of profit directly attributable to trading in goods and services. It is derived by subtracting the cost of sales from the value of sales and service income.

It should not be inferred that all of this profit is available as surplus, as other expenses such as selected labour costs, depreciation, insurance premiums, natural resource royalties, bad debts and interest have not been taken into account. Also, other income items such as funding from government and interest income have not been included.

Type of activity unit (TAU)

The TAU is the statistical unit used by the ABS to represent businesses, and for statistics are reported, in cases where the ABN unit is not suitable for ABS statistical needs.

The TAU comprises one or more business entities, sub-entities or branches of a business entity within an enterprise group that can report production and employment data for similar economic activities. When a minimum set of data items are available, a TAU is created which covers all the operations within an industry subdivision (and the TAU is classified to the relevant subdivision of the ANZSIC). Where a business cannot supply adequate data for each industry, a TAU is formed which contains activity in more than one industry subdivision.

Wages and salaries

The gross wages and salaries (including capitalised wages and salaries) of all employees of the business. The item includes severance, termination and redundancy payments, salaries and fees of directors and executives, retainers and commissions of persons who received a retainer, bonuses, and annual and other types of leave. Provision expenses for employee entitlements (e.g. provisions for annual leave and leave bonus, long service leave, sick leave, and severance, termination and redundancy payments) are also included, as are salary sacrificed earnings and remuneration of employees in the form of share based payments and stock options. (Note that in previous issues of this publication, salary sacrificed earnings and remuneration of employees in the form of share based payments and stock options were reported under related expense items. For example, salary sacrificed for superannuation was included in employer contributions into superannuation).

Payments related to salary sacrifice and payments to self-employed persons such as consultants, contractors and persons paid solely by commission without a retainer are excluded. The drawings of working proprietors and partners are also excluded.

In order to produce data by state and territory, selected businesses which received mail out questionnaires were also asked to provide wages and salaries (as well as employment and sales of goods and services) for each state and/or territory in which they operated. For details, see Explanatory Notes paragraph 43.

Wages and salaries per person employed

The value of wages and salaries paid by manufacturing businesses which operated during the given year ended 30 June divided by the number of persons employed by manufacturing businesses during the last pay period ending in June of the same year.

Workers' compensation premiums/costs

Workers' compensation is a compulsory insurance cover to be taken out by all employers, except for self-insured workers, according to legislative schemes to cover employees suffering injury or disease in the course of or arising out of employment.