U.S. Code
- Title 1 General Provisions
- Title 2 The Congress
- Title 3 The President
- Title 4 Flag and Seal, Seat Of Government,and the States
- Title 5 Government Organization and Employees
- Appendix to Title 5
- Title 6 Domestic Security
- Title 7 Agriculture
- Title 8 Aliens and Nationality
- Title 9 Arbitration
- Title 10 Armed Forces
- Appendix to Title 10 (Rules of Court of Appeals for the Armed Forces)
- Title 11 Bankruptcy
- Appendix to Title 11
- Title 12 Banks and Banking
- Title 13 Census
- Title 14 Coast Guard
- Title 15 Commerce and Trade
- Title 16 Conservation
- Title 17 Copyrights
- Title 18 Crimes and Criminal Procedure
- Appendix to Title 18
- Title 19 Customs Duties
- Title 20 Education
- Title 21 Food and Drugs
- Title 22 Foreign Relations and Intercourse
- Title 23 Highways
- Title 24 Hospitals and Asylums
- Title 25 Indians
- Title 26 Internal Revenue Code
- Appendix to Title 26
- Title 27 Intoxicating Liquors
- Title 28 Judiciary and Judicial Procedure
- Appendix to Title 28
- Title 29 Labor
- Title 30 Mineral Lands and Mining
- Title 31 Money and Finance
- Title 32 National Guard
- Title 33 Navigation and Navigable Waters
- Title 34 Navy (repealed)
- Title 35 Patents
- Title 36 Patriotic Societies and Observances
- Title 37 Pay and Allowances Of the Uniformed Services
- Title 38 Veterans' Benefits
- Appendix to Title 38 (Rules of Court of Appeals for Veterans Claims()
- Title 39 Postal Service
- Title 40 Public Buildings, Property, and Works
- Title 41 Public Contracts
- Title 42 The Public Health and Welfare
- Title 43 Public Lands
- Title 44 Public Printing and Documents
- Title 45 Railroads
- Title 46 Shipping
- Appendix to Title 46
- Title 47 Telegraphs, Telephones, and Radiotelegraphs
- Title 48 Territories and Insular Possessions
- Title 49 Transportation
- Title 50 War and National Defense
- Appendix to Title 50
Subpart D—Business Related Credits (§§ 38—45R)
- § 38. General business credit
- § 39. Carryback and carryforward of unused credits
- § 40. Alcohol, etc., used as fuel
- § 40A. Biodiesel and renewable diesel used as fuel
- § 41. Credit for increasing research activities
- § 42. Low-income housing credit
- § 43. Enhanced oil recovery credit
- § 44. Expenditures to provide access to disabled individuals
- [§ 44A. Renumbered § 21]
- [§ 44B. Repealed.]
- [§ 44C. Renumbered § 23]
- [§ 44D. Renumbered § 29]
- [§ 44E. Renumbered § 40]
- [§ 44F. Renumbered § 30]
- [§ 44G. Renumbered § 41]
- [§ 44H. Renumbered § 45C]
- § 45. Electricity produced from certain renewable resources, etc.
- § 45A. Indian employment credit
- § 45B. Credit for portion of employer social security taxes paid with respect to employee cash tips
- § 45C. Clinical testing expenses for certain drugs for rare diseases or conditions
- § 45D. New markets tax credit
- § 45E. Small employer pension plan startup costs
- § 45F. Employer-provided child care credit
- § 45G. Railroad track maintenance credit
- § 45H. Credit for production of low sulfur diesel fuel
- § 45I. Credit for producing oil and gas from marginal wells
- § 45J. Credit for production from advanced nuclear power facilities
- § 45K. Credit for producing fuel from a nonconventional source
- § 45L. New energy efficient home credit
- § 45M. Energy efficient appliance credit
- § 45N. Mine rescue team training credit
- § 45O. Agricultural chemicals security credit
- § 45P. Employer wage credit for employees who are active duty members of the uniformed services
- § 45Q. Credit for carbon dioxide sequestration
- § 45R. Employee health insurance expenses of small employers
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