| Section 1(1) | Supply etc of optical appliances | 1st October 1984 |
| Section 1(2) | Rules as to optical practice | 16th August 1984 |
| Section 1(4) and (5) (except paragraph (a)) | Choice of optician to supply appliances | 1st April 1985 |
| Section 2 | Fitting etc of contact lenses | 1st April 1985 |
| Sections 3 and 4 and Schedule 2 | Use of titles and disciplinary provisions | 1st November 1984 |
| Section 5(1) and (5) to (8), paragraphs 1, 7(b)(ii) and (c) and 12 of Schedule 3 and section 5(4) so far as it relates to those paragraphs | Family Practitioner Committees | 26th September 1984 |
| Section 5(2) and (3), paragraphs 2 to 6, 7(a) and (b)(i), 8 to 11 and 13 to 17 of Schedule 3 and section 5(4) so far as it relates to those paragraphs | | 1st April 1985 |
| In section 6— | Finance in National Health Service |
| subsections (1) and (3) | | 26th September 1984 |
| subsection (2) | | 1st April 1985 |
| Section 12 | Pension increase in respect of husbands | 26th November 1984 |
| Paragraphs 1, 2(b), 3(b) and (c), 4 and 7 of Schedule 5, and section 13 so far as it relates to those paragraphs | Dependent children | 26th November 1984 |
| Paragraphs 5 and 6 of Schedule 5, and section 13 so far as it relates to those paragraphs | | 28th November 1984 |
| Paragraphs 2(a), 3(a) and 8 of Schedule 5, and section 13 so far as it relates to those paragraphs | | 29th November 1984 |
| Section 14 | Earnings to include occupational pensions for purposes of benefits | 26th November 1984 |
| Section 17 | Late paid Class 2 contributions | 6th April 1985 |
| Section 18(3) | Class 3 contributions | 6th April 1985 |
| Section 20 and Schedule 6 | Protection of pensions | 1st January 1985 |
| Paragraphs 1 and 2 of Schedule 7, and section 21 so far as it relates to those paragraphs | Miscellaneous social security amendments | 26th November 1984 |
| Paragraph 3 of Schedule 7, and section 21 so far as it relates to that paragraph | | 6th April 1985 |
| The following repeals in Schedule 8, and section 24 so far as it relates to those repeals— | Repeals |
| the repeal of words in section 13(3) of the Opticians Act 1958 | | 1st November 1984 |
| the repeal of words in Schedule 1 to the Tribunals and Inquiries Act 1971 | | 1st April 1985 |
| the repeal of words in sections 12(b), 15(1) and (2), 39(c) and 98(2) of, and paragraphs 9(1) to (3) and 10 of Schedule 5 to, the National Health Service Act 1977 | | 1st April 1985 |
| the repeal of words in sections 45(2) and (3) and 97(1)(a) and (c) and (2) of that Act | | 26th September 1984 |
| the repeal of words in section 26(2)(c) of the National Health Service (Scotland) Act 1978 | | 1st April 1985 |
| the repeal of words in section 85(1) of that Act | | 26th September 1984 |
| the repeals relating to sections 1(6) and 2 of, and paragraphs 35, 37, 56, 57, 69, 77(b), 82(2) and (3), 87 and 89 to 98 of Schedule 1 to, the Health Services Act 1980 | | 1st April 1985 |
| the repeal of section 18 of, and paragraphs 30, 79, 88 and 99 of Schedule 1 to, that Act | | 26th September 1984 |
| the repeal of words in section 12(1)(d) of, section 41(2)(d) and (3) of, and an entry in paragraph 3 of Part IV of Schedule 4 to, the Social Security Act 1975 | | 26th November 1984 |
| the repeal of section 57(2) of, and entries in paragraph 1(a) and (c) of Part IV of Schedule 4 to, that Act | | 29th November 1984 |
| the repeal of words in section 4(1) of the Social Security Pensions Act 1975 | | 6th April 1985 |
| the repeal of paragraph 25 of Schedule 4 to the Child Benefit Act 1975 | | 28th November 1984 |
| the repeal of words in section 22(2) of the Social Security (Miscellaneous Provisions) Act 1977 | | 29th November 1984 |
| the repeal of section 3(5) of the Social Security Act 1980 | | 26th September 1984 |
| the repeal of paragraph 18(4) of Schedule 4 to the Social Security and Housing Benefits Act 1982 | | 29th November 1984 |