Changes to Social Security (Widow's Benefit, Retirement Pensions and Other Benefits) (Transitional) 1979
S.I. 1979/643
The legislation that changes Social Security (Widow's Benefit, Retirement Pensions and Other Benefits) (Transitional) 1979, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.