MAIN STRUCTURE
In the Main Structure special purpose codes relate to, in ascending hierarchical order: SLAs, SSDs, SDs and S/Ts.
Special purpose SLA codes
Four-digit SLA codes ending with 99 are reserved for coding undefined area data to SLA level. The first two digits of undefined SLA codes are normally in the range 00-89.
Example:
0199 Greater Hobart Undefined
1399 Lyell Undefined
Information required to be coded at SLA level but only able to be coded at SSD level, is coded to the undefined SLA within the defined SSD.
Example:
SD SSD SLA
20 Mersey-Lyell 15 Lyell 1399 Lyell Undefined
Information required to be coded at SLA level but only able to be coded at SD level, is coded to the undefined SLA of the undefined SSD within the defined SD.
Example:
SD SSD SLA
05 Sydney 88 Sydney Undefined 0099 Sydney Undefined
A number of SLA codes within the range 0099-9999 are reserved for specific applications.
- Code 0099 is reserved for the undefined SLA in each capital city SD.
Example:
S/T SD SSD SLA
1 05 88 0099 Sydney Undefined
- Code 9899 is reserved for the undefined SLA within an undefined SD, within a defined S/T. For example, when information is required to be coded at SLA level but is only able to be coded at the S/T level, it is coded to SLA 9899.
Example:
S/T SD SSD SLA
1 88 88 9899 New South Wales Undefined
8 88 88 9899 Australian Capital Territory Undefined
- Code 9099 is reserved for the undefined SLA within an undefined SD, within an undefined S/T (see next page). For example, when information is required to be coded at SLA level but is only able to be coded at the Australia level, it is coded to SLA 9099. This code is used to code Population Census data when usual residence information is not stated.
Example:
S/T SD SSD SLA
0 88 88 9099 S/T Undefined, Not Stated for census purposes
- Code 9199 is used in ‘usual residence’ and similarly worded coding where the information is not applicable (e.g. children who had not been born five years ago).
Example:
S/T SD SSD SLA
1 88 88 9199 New South Wales, Not Applicable
- Code 9299 is used in usual residence and similarly worded coding when the information relates to overseas.
Example:
S/T SD SSD SLA
3 88 88 9299 Queensland, Overseas
- Code 9399 is used as a dummy LGA to enable S/T totals to be produced for some LGA output from the Censuses of Population and Housing. In such circumstances, code 9399 equates to the aggregated unincorporated SLAs in each S/T.
Example:
S/T LGA
7 9399 Northern Territory, Aggregation of unincorporated SLAs
- Code 9499 is used for persons with no fixed place of abode, including children in care, persons in prison etc.
Example:
S/T SD SSD SLA
4 88 88 9499 South Australia, No fixed abode
Special purpose SD and SSD codes
The two-digit code 88 is reserved for coding undefined area information to SSD and SD levels. A dummy SD, with an SD code of 88, exists for every S/T in the Main Structure, except Other Territories. Similarly there is a dummy SSD for every SD, except for Other Territories.
Example:
S/T SD SSD
1 New South Wales 88 New South Wales Undefined 05 Sydney 88 Sydney Undefined
Special purpose S/T code
Information is coded to S/T Undefined when address details specify Australia only (i.e. without S/T details). The S/T code for S/T Undefined is 0. This code is also used to code Population Census data when usual residence is not stated.
Example:
S/T SD SSD SLA
0 88 88 9099 S/T Undefined or for Population Census purposes - Not stated
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