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Privacy Act & codes

(1) An agency shall not assign a unique identifier to an individual unless the assignment of that identifier is necessary to enable the agency to carry out any one or more of its functions efficiently.

(2) An agency shall not assign to an individual a unique identifier that, to that agency's knowledge, has been assigned to that individual by another agency, unless those 2 agencies are associated persons within the meaning of section OD7 of the Income Tax Act 2004.

(3) An agency that assigns unique identifiers to individuals shall take all reasonable steps to ensure that unique identifiers are assigned only to individuals whose identity is clearly established.

(4) An agency shall not require an individual to disclose any unique identifier assigned to that individual unless the disclosure is for one of the purposes in connection with which that unique identifier was assigned or for a purpose that is directly related to one of those purposes.