Changes to 90/12/EEC: Commission Decision of 20 December 1989 amending Decision 89/310/EEC on the quantities of sheepmeat and goatmeat that may be imported in 1989 into certain sensitive marketing zones from certain non- member countries
EU Decision 1990/12
No changes to 90/12/EEC: Commission Decision of 20 December 1989 amending Decision 89/310/EEC on the quantities of sheepmeat and goatmeat that may be imported in 1989 into certain sensitive marketing zones from certain non- member countries are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.