| CBA 1992 | Social Security Contributions and Benefits Act 1992 |
| CB(NI) 1992 | Social Security Contributions and Benefits (Northern Ireland) Act 1992 |
| DAA(S)A 2002 | Debt Arrangement and Attachment (Scotland) Act 2002 |
| ITEPA 2003 | Income Tax (Earnings and Pensions) Act 2003 |
| SAP | Statutory Adoption Pay |
| SMP | Statutory Maternity Pay |
| SPP | Statutory Paternity Pay |
| SSAA 1992 | Social Security Administration Act 1992 |
| SSA(NI)A 1992 | Social Security Administration (Northern Ireland) Act 1992 |
| SSP | Statutory Sick Pay |
| TMA 1970 | Taxes Management Act 1970 |
| ToFA 1999 | Social Security Contributions (Transfer of Functions etc.) Act 1999 |
| UEL | Upper Earnings Limit (for liability for primary Class 1 National Insurance contributions) |
