1987 Oct 8 - 1988 Jan 21 Chancellor of the Exchequer’s Private Office files (Lawson) T640/1038Budget (Budget 1988: the unleaded petrol duty differential 1988) Source: HMTPO Release date: 2014 Classification: Confidential Page count: 56 T640/1038 - download whole file (PDF, 38.42 MB)