PART I—PENSION, PROFIT-SHARING, STOCK BONUS PLANS, ETC. (§§ 401—420)
- Subpart A—General Rule (§§ 401—409A)
- Subpart B—Special Rules (§§ 410—417)
- Subpart C—Special Rules for Multiemployer Plans (§§ 418—418E)
- Subpart D—Treatment of Welfare Benefit Funds (§§ 419—419A)
- Subpart E—Treatment of Transfers to Retiree Health Accounts (§ 420)