Changes made by 79/833/EEC: Commission Decision of 7 September 1979 laying down, for the purposes of the survey on the structure of agricultural holdings for 1979/80, the Community outline of the schedule of tables, the standard code and the detailed rules for the transcription on to magnetic tape of the data contained in such tables
EU Decision 1979/833
No changes made by 79/833/EEC: Commission Decision of 7 September 1979 laying down, for the purposes of the survey on the structure of agricultural holdings for 1979/80, the Community outline of the schedule of tables, the standard code and the detailed rules for the transcription on to magnetic tape of the data contained in such tables are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.