# Pub. L. 87-710: changes to the Internal Revenue Code 1962-09-27, 76 Stat. 648. Source: . ## Legislative history - Bill: [H.R. 12526](https://www.congress.gov/bill/87th-congress/house-bill/12526) ## § 172: Net operating loss deduction - § 172(b)(3): Pub. L. 87–710, § 1(a), authorized a carryover of a net operating loss for any taxable year ending after Dec. 31, 1955, to each of the 5 taxable years following the taxable year of loss, or when such loss occurs in the case of regulated transportation corporation, except as provided in subsec. (j), then to each of the 7 taxable years following the taxable year of loss, and struck out provisions authorizing a net operating loss for any taxable years ending Dec. 31, 1957, to be carried over to each of the 5 taxable years following the taxable year of such loss, in par. (1), and inserted reference to subsec. (j) in par. (2). - § 172: Pub. L. 87–710, § 1(b), added subsec. (j) and redesignated former subsec. (j) as (k).