NIM41015 - Credits: overview: legislation
Social Security (Benefit) Married Women and Widows Special Provisions Regulations 1974 (SI 1974 no 2010) Reg 3 cover special provisions for starter credits for married women and widows. See NIM41210.
Social Security Credits Regulations 1975 (SI 1975/556) set out the rules for crediting contributors with earnings from 6 April 1975. See NIM41200.
Section 23A, Social Security Contributions and Benefits Act 1992 set out rules for Parent and Carers see NIM41250
The Social Security Act 1998 provides the appeal rights.
Social Security & Child Support (Decisions & Appeals) Regulations 1999 (SI 1999 No. 991) provides for the requirement of a Manadatory Reconsideration before appeal.
Social Security (Credits) Regulations 1975 (SI 1975 No. 556) for crediting NICs for periods before 6 April 2016
State Pension Regulations 2015 (SI 2015 No. 173) for crediting NICs for periods after 5 April 2016
Northern Ireland
There is equivalent legislation for Northern Ireland.