1979 Nov 25 - 1981 Jan 8 Chancellor of the Exchequer’s Private Office files (Howe) T639/72National Insurance (Nov 1980 NI increases, argument over announcement - minutes, correspondence, meeting records) Part A Source: HMTPO Release date: 2012 Classification: Confidential Page count: 94 T639/72 - download whole file (PDF, 46.76 MB)
