1 Provision prescribing the procedure to be followed in connection with–
(a)the making of decisions or determinations by the Secretary of State; and
(b)the withdrawal of claims, applications, appeals or references falling to be decided or determined by the Secretary of State.
In so far as it was not already in force para. 1 entered into force (except for the purposes of housing benefit, council tax benefit and decisions to which SI 1999/527, art. 4(6) applies; i.e. pre-1 April 1999 decisions under SSAA 1992, s. 17(1), s. 20(3) and PSA 1993, s. 170(1)) with effect from 29 November 1999 (SI 1999/3178 (C. 81), art. 2(1)(a); 2(2) and Sch. 1).