| Section 1(1) and (2) | Maintenance calculations and terminology |
| Section 2 | Applications under section 4 of the 1991 Act |
| Section 4 | Default and interim maintenance decisions |
| Section 5 | Departure from usual rules for calculating maintenance |
| Section 7 | Variations: revision and supersession |
| Section 8 | Revision of decisions |
| Section 9 | Decisions superseding earlier decisions |
| Section 10 | Appeals to appeal tribunals |
| Section 12 | Information required by Secretary of State |
| Section 18 | Financial penalties |
| Section 21 | Recovery of child support maintenance by deduction from benefit |
| Section 22(4) | Jurisdiction |
| Section 25 | Regulations |
| Schedule 1 and section 1(3) | Substituted Part I of Schedule 1 to the 1991 Act |
| Schedule 2 and section 6 | Substituted Schedules 4A and 4B to the 1991 Act |
| Schedule 3, except for paragraph 11(15), and section 26 | Amendment of enactments relating to child support |
| Part I of Schedule 9, except as respects the repeal of section 10 of the Child Support Act 1995, and section 85 so far as it relates to that Part I | Repeals and revocations (child support) |