Regulation 2 Amendment of the Building Regulations 1991 Original text. Later amendments are not shown. Schedule 1 to the Building Regulations 1991f1 (“the principal regulations”) shall be amended as follows. Annotations Footnotes f1 S.I. 1991/2768 amended by S.I. 1992/1180, 1994/1850 and 1995/1356. ← Regulation 1 Regulation 2 Regulation 3 →