| Subchapter A—Internal and Administrative Rules |
| 2601 | 4002 |
| 2602: |
| Subpart A | 4904 |
| Subpart B | 4905 |
| 2603 | 4901 |
| 2604 | Repealed |
| 2606 | 4003 |
| 2607 | 4902 |
| 2608 | 4907 |
| 2609 | 4903 |
| Subchapter B—Rules Applicable to Single-Employer and Multiemployer Plans |
| 2610 | 4006 & 4007 |
| §§ 2610.1, 2610.21, 2610.31 | §§ 4006.1 & 4007.1 |
| §§ 2610.2 | §§ 4006.2 & 4007.2 |
| §§ 2610.3-2610.9 & 2610.11 | 4007 |
| § 2610.10 | 4006.5(e) |
| §§ 2610.22-2610.24 & 2610.33 | 4006 |
| §§ 2610.25, 2610.26 & 2610.34 | 4007 |
| 2611 | 4065 |
| 2612 | 4001 |
| 2613 | 4022, Subpart A |
| Subchapter C—Single-Employer Plans |
| 2615 | 4043 |
| 2616 | 4041 |
| Subpart A | Subpart A |
| Subpart B | Subpart C |
| 2617 | 4041 |
| Subpart A | Subpart A |
| Subpart B | Subpart B |
| 2618 | 4044, Subpart A |
| 2619 | 4044, Subpart B |
| 2620 | 4044, Subpart B |
| 2621 (except § 2621.23(b)) | 4022, Subpart B |
| 2621.3(b) | 4022B |
| 2622 (except 2622.9) | 4062 |
| § 2622.9 | 4068 |
| 2623 | 4022, Subparts D & E |
| 2625 | 4047 |
| 2627 | 4011 |
| 2628 | 4010 |
| 2629 | 4050 |
| Subchapter F—Withdrawal Liability in Multiemployer Plans |
| 2640: |
| § 2640.2 | § 4001.2 |
| § 2640.3 | § 4221.2 |
| § 2640.4 | § 4211.2 |
| § 2640.5 | § 4204.2 |
| § 2640.6 | § 4207.2, 4208.2 |
| § 2640.7 | § 4219.2 |
| § 2640.8 | § 4206.2 |
| 2641 | 4221 |
| 2642 | 4211 |
| 2643 | 4204 |
| 2644 | 4219, Subpart C |
| 2645 | 4203 |
| 2646 | 4208 |
| 2647 | 4207 |
| 2648 | 4219, Subpart B |
| 2649 | 4206 |
| Subchapter H—Other Rules Applicable to Multiemployer Plans |
| 2670: |
| § 2670.2 | § 4001.2 |
| § 2670.3 | § 4231.2 |
| § 2670.4 | §§ 4041A.2, 4245.2, & 4281.2 |
| 2672 | 4231 |
| 2673 | 4041A, Subpart B, & 4041A.3(a) |
| 2674 | 4245 |
| 2675 | 4041A, Subparts C & D, & 4281, Subparts C & D |
| 2676 | 4281, Subpart B |
| 2677 | 4220 |