SPECIAL PURPOSE CODES
PURPOSE
Special purpose codes allow address data to be coded to a non-spatial value. This occurs where there is insufficient information to code to a physical geographic area. For example, where someone is in transit on Census night or where an incomplete address has been supplied. They have been created for each hierarchical level within the Main Structure and the GCCSA Structure.
TYPES OF SPECIAL PURPOSE CODES
Migratory
Migratory is used to code people who are in transit on long distance trains, buses, aircraft and long haul road transport vehicles on Census night.
Offshore
Offshore is used to code people on oil rigs and drilling platforms etc. It is also used for expeditioners in the Australian Antarctic Territory.
Shipping
Shipping is used to code people who are on board vessels in Australian waters, in or between Australian ports on Census night.
No usual address
No usual address is used to code people with no fixed place of abode.
SPECIAL PURPOSE CODE STRUCTURE
The following examples show these for NSW.
Mesh Block Special Purpose Codes
Migratory - Offshore - Shipping |
|
| S/T | Mesh Blocks | Description |
|
| 1 | 8000000778 | Migratory |
| 1 | 9000000779 | Offshore |
| 1 | 7000005777 | Shipping |
| 1 | 7000004777 | Shipping |
| 1 | 7000003777 | Shipping |
| 1 | 7000002777 | Shipping |
| 1 | 7000001777 | Shipping |
|
No usual address |
|
| S/T | Mesh Blocks |
|
| 1 | 0000009499 |
|
SA1, SA2, SA3, SA4 Special Purpose Codes
Migratory - Offshore - Shipping |
|
| S/T | SA4 | SA3 | SA2 | SA1 | Description |
|
| 1 | 97 | 97 | 9799 | 91 | Migratory |
| 1 | 97 | 97 | 9799 | 92 | Offshore |
| 1 | 97 | 97 | 9799 | 93 | Shipping |
|
There are no Migratory or Offshore SA1s for the OT. There are no Offshore or Shipping SA1s for the ACT.
No usual address |
|
| S/T | SA4 | SA3 | SA2 | SA1 |
|
| 1 | 99 | 99 | 9499 | 99 |
|
GCCSA Special Purpose Codes
Migratory - Offshore - Shipping |
|
| S/T | GCCSA |
|
| 1 | 9799 |
|
No usual address |
|
| S/T | GCCSA |
|
| 1 | 9499 |
|
COLLECTION SPECIFIC CODING CONVENTIONS
ABS collections use various conventions to denote circumstances such as: not applicable, overseas visitors etc. These will be explained in the supporting documentation for each release.
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