Regulation 2 Amendments to the Social Security (Contributions) Regulations 2001 Original text. Later amendments are not shown. The Social Security (Contributions) Regulations 2001f1 are amended as follows. Annotations Footnotes f1 S.I. 2001/1004: relevant amending instruments are S.I. 2002/238, 2003/193, 2004/220 and 2005/166. ← Regulation 1 Regulation 2 Regulation 3 →