Complex sentence: The Misuse of Drugs Act 1975, enacted on 10 October 1975 with an effective date of 1 June 1977, implemented the Blake-Palmer Committee recommendations for a harm-based classification system for drugs.
Split into simpler sentences: The Misuse of Drugs Act 1975 was enacted on 10 October 1975 and came into force on 1 June 1977. The Act implemented the recommendations of the Blake-Palmer Committee for a harm-based classification system for drugs.