Section 1263 — Social Security Act 1991: Period that determination is in force and variation and revocation

(1) Subject to subsection (5), a determination under subsection 1262(1) is in force for the period specified in the determination. That period must not end after: (a) 31 March 2021, unless paragraph (b) applies; or (b) if the determination modifies a provision covered by paragraph 1262(2)(a)—16 April 2021. (2) The period specified in a determination under subsection 1262(1) may be a period that starts before the day the determination is made. Variation of determination (3) The Minister may, by legislative instrument, vary a determination under subsection 1262(1). (4) A variation may be expressed to commence on a day before the day the variation is made. Revocation of determination (5) The Minister may, by legislative instrument, revoke a determination under subsection 1262(1). (6) A revocation takes effect on the day specified in the instrument of revocation, which must not be earlier than the day that instrument is made. Definitions (7) In this section: Minister means the Minister administering the Social Security (International Agreements) Act 1999.