7501Liability for taxes withheld or collected7502Timely mailing treated as timely filing and paying7503Time for performance of acts where last day falls on Saturday, Sunday, or legal holiday7504Fractional parts of a dollar7505Sale of personal property acquired by the United States7506Administration of real estate acquired by the United States7507Exemption of insolvent banks from tax7508Time for performing certain acts postponed by reason of service in combat zone or contingency operation7508AAuthority to postpone certain deadlines by reason of Federally declared disaster, significant fire, or terroristic or military actions7509Expenditures incurred by the United States Postal Service7510Exemption from tax of domestic goods purchased for the United States7511Repealed. Pub. L. 87–456, title III, § 302(d), May 24, 1962, 76 Stat. 77]Repealed7512Separate accounting for certain collected taxes, etc.7513Reproduction of returns and other documents7514Authority to prescribe or modify seals7515Repealed. Pub. L. 94–455, title XII, § 1202(h)(4), Oct. 4, 1976, 90 Stat. 1688]Repealed7516Supplying training and training aids on request7517Furnishing on request of statement explaining estate or gift valuation7518Tax incentives relating to merchant marine capital construction funds7519Required payments for entities electing not to have required taxable year7520Valuation tables7521Procedures involving taxpayer interviews7522Content of tax due, deficiency, and other notices7523Graphic presentation of major categories of Federal outlays and income7524Annual notice of tax delinquency7525Confidentiality privileges relating to taxpayer communications7526Low-income taxpayer clinics7526AReturn preparation programs for applicable taxpayers7527Advance payment of credit for health insurance costs of eligible individuals7527AAdvance payment of child tax credit7528Internal Revenue Service user fees7529Notification of suspected identity theft7530Application of earned income tax credit to possessions of the United States