Subchapter A. In General
- § 6201 - Assessment authority
- § 6202 - Establishment by regulations of mode or time of assessment
- § 6203 - Method of assessment
- § 6204 - Supplemental assessments
- § 6205 - Special rules applicable to certain employment taxes
- § 6206 - Special rules applicable to excessive claims under certain sections
- § 6207 - Cross references