§ 3501. Collection and payment of taxes
§ 3502. Nondeductibility of taxes in computing taxable income
§ 3503. Erroneous payments
§ 3504. Acts to be performed by agents
§ 3505. Liability of third parties paying or providing for wages
§ 3506. Individuals providing companion sitting placement services
§ 3507. Advance payment of earned income credit
§ 3508. Treatment of real estate agents and direct sellers
§ 3509. Determination of employer’s liability for certain employment taxes
§ 3510. Coordination of collection of domestic service employment taxes with collection of income taxes
