5. The following provisions of the 1998 Act shall come into force on 1st April 1999:
(a)section 1 (anti-social behaviour orders);
(b)section 4 (appeals against orders), to the extent that it is not already in force;
(c)section 19 (anti-social behaviour orders) in Scotland;
(d)sections 21 and 22 (procedural provisions and offences in connection with orders in Scotland), to the extent that they are not already in force;
(e)section 71(4) (residential requirements of supervision orders).