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