1. These Regulations amend Statutory Rules 1990 No. 227, as amended by 1991 Nos. 235 and 258; 1992 Nos. 91 and 276; 1994 No. 297; 1995 No. 23; 1996 Nos. 7, 125, 228 and 264; 1997 No. 14; 1998 Nos. 68 and 361; 1999 No. 156; 2000 No. 99.