U.S. Code / Title 26 — Internal Revenue Code / Subtitle B—Estate and Gift Taxes / Chapter 12—Gift TaxTitle 26SubchapterSubchapter A—Determination of Tax LiabilityContents§ 2501. Imposition of tax§ 2502. Rate of tax§ 2503. Taxable gifts§ 2504. Taxable gifts for preceding calendar periods§ 2505. Unified credit against gift tax