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25: IPPs 1 to 4 do not apply to personal information collected before 1 July 1993
or “Old rules don't apply to personal info collected before July 1993”
You could also call this:

“Old unique identifiers have fewer privacy rules”

Information Privacy Principle 13 (IPP 13) has some special rules about unique identifiers that were given out before 1 July 1993. Parts 1 to 4(a) of IPP 13 don’t apply to these old identifiers. This means that if you were given a unique identifier before this date, some rules about how it can be used don’t apply to you.

However, if someone gives out a unique identifier on or after 1 July 1993, part 2 of IPP 13 does apply. This is true even if the identifier they give out is the same as one that another group gave out before that date. So, if you get a new identifier after 1 July 1993, or if someone uses an old identifier in a new way, they have to follow these rules.

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Next up: 27: Restricted application of IPPs to personal information collected or held for personal or domestic affairs

or “ Limited privacy rules for personal or family information use ”
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Part 3 Information privacy principles and codes of practice
Information privacy principles

26Restricted application of IPP 13 to unique identifiers assigned before 1 July 1993

  1. IPP 13(1) to (4)(a) does not apply to unique identifiers assigned before 1 July 1993.

  2. However, IPP 13(2) applies to the assignment of a unique identifier on or after 1 July 1993 even if the unique identifier assigned is the same as that assigned by another agency before that date.

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