Regulation 2 Amendment of the Social Security (Contributions) (Amendment No. 3) Regulations 2005 Original text. Later amendments are not shown. The Social Security (Contributions) (Amendment No. 3) Regulations 2005f1 are amended as follows. Annotations Footnotes f1 S.I. 2005/778. ← Regulation 1 Regulation 2 Regulation 3 →