osteopaths act 1993 osteopaths act 1993 the osteopaths act 1993 (c. 21) is an act of the parliament of the united kingdom to regulate the practice of osteopathy. it received royal assent on 1 july 1993. osteopaths actact of parliamentdatesroyal assent1 july 1993text of the osteopaths act 1993 as in force today (including any amendments) within the united kingdom, from legislation.gov.uk. the act created the general osteopathic council.