Subchapter A—Procedure in General (§§ 6401—6409)
- § 6401. Amounts treated as overpayments
- § 6402. Authority to make credits or refunds
- § 6403. Overpayment of installment
- § 6404. Abatements
- § 6405. Reports of refunds and credits
- § 6406. Prohibition of administrative review of decisions
- § 6407. Date of allowance of refund or credit
- § 6408. State escheat laws not to apply
- § 6409. Refunds disregarded in the administration of Federal programs and federally assisted programs