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Table of Contents

Subtitle a - Income Taxes .

Chapter 1 - Normal Taxes and Surtaxes .


Subchapter b - Computation of Taxable Income .


Part VI - Itemized Deductions for Individuals and Corporations .


26 USC 161 - Sec. 161. Allowance of deductions

26 USC 179 - Sec. 179. Election to expense certain depreciable business assets

26 USC 179 - Sec. 179A. Deduction for clean-fuel vehicles and certain refueling property

26 USC 180 - Sec. 180. Expenditures by farmers for fertilizer, etc.

26 USC 181 - (Sec. 181. Repealed. Pub. L. 88-272, title II, Sec. 203(a)(3) (B), Feb. 26, 1964, 78 Stat. 34)

26 USC 182 - (Sec. 182. Repealed. Pub. L. 99-514, title IV, Sec. 402(a), Oct. 22, 1986, 100 Stat. 2221)

26 USC 183 - Sec. 183. Activities not engaged in for profit

26 USC 184 - (Sec. 184. Repealed. Pub. L. 101-508, title XI, Sec. 11801(a)(12), Nov. 5, 1990, 104 Stat. 1388-520)

26 USC 185 - (Sec. 185. Repealed. Pub. L. 99-514, title II, Sec. 242(a), Oct. 22, 1986, 100 Stat. 2181)

26 USC 186 - Sec. 186. Recoveries of damages for antitrust violations, etc.

26 USC 187 - (Sec. 187. Repealed. Pub. L. 94-455, title XIX, Sec. 1901(a)(31), Oct. 4, 1976, 90 Stat. 1769)

26 USC 162 - Sec. 162. Trade or business expenses

26 USC 188 - (Sec. 188. Repealed. Pub. L. 101-508, title XI, Sec. 11801(a)(13), Nov. 5, 1990, 104 Stat. 1388-520)

26 USC 189 - (Sec. 189. Repealed. Pub. L. 99-514, title VIII, Sec. 803(b)(1), Oct. 22, 1986, 100 Stat. 2355)

26 USC 190 - Sec. 190. Expenditures to remove architectural and transportation barriers to the handicapped and elderly

26 USC 191 - (Sec. 191. Repealed. Pub. L. 97-34, title II, Sec. 212(d)(1), Aug. 13, 1981, 95 Stat. 239)

26 USC 192 - Sec. 192. Contributions to black lung benefit trust

26 USC 193 - Sec. 193. Tertiary injectants

26 USC 194 - Sec. 194. Amortization of reforestation expenditures

26 USC 194 - Sec. 194A. Contributions to employer liability trusts

26 USC 195 - Sec. 195. Start-up expenditures

26 USC 196 - Sec. 196. Deduction for certain unused business credits

26 USC 163 - Sec. 163. Interest

26 USC 197 - Sec. 197. Amortization of goodwill and certain other intangibles

26 USC 198 - Sec. 198. Expensing of environmental remediation costs

26 USC 164 - Sec. 164. Taxes

26 USC 165 - Sec. 165. Losses

26 USC 166 - Sec. 166. Bad debts

26 USC 167 - Sec. 167. Depreciation

26 USC 168 - Sec. 168. Accelerated cost recovery system