- § 3991. Taxes respecting personal property, money, credits, and real property
- § 3992. Rights in public lands
- § 3993. Desert-land entries
- § 3994. Mining claims
- § 3995. Mineral permits and leases
- § 3996. Perfection or defense of rights
- § 3997. Distribution of information concerning benefits of subchapter
- § 3998. Land rights of servicemembers
- § 3999. Regulations
- § 4000. Income taxes
- § 4001. Residence for tax purposes