Subtitle C. Employment Taxes
- CHAPTER 21 [§ 3101 - § 3134] - FEDERAL INSURANCE CONTRIBUTIONS ACT
- CHAPTER 22 [§ 3201 - § 3241] - RAILROAD RETIREMENT TAX ACT
- CHAPTER 23 [§ 3301 - § 3311] - FEDERAL UNEMPLOYMENT TAX ACT
- CHAPTER 23A [§ 3321 - § 3323] - RAILROAD UNEMPLOYMENT REPAYMENT TAX
- CHAPTER 24 [§ 3401 - § 3456] - COLLECTION OF INCOME TAX AT SOURCE ON WAGES
- CHAPTER 25 [§ 3501 - § 3512] - GENERAL PROVISIONS RELATING TO EMPLOYMENT TAXES