Regulations Under Section 1502 of the Internal Revenue Code of 1986; Limitations on Net Operating Loss Carryforwards and Certain Built-in Losses and Credits Following an Ownership Change of a Consolidated Group

This document contains final regulations regarding the operation of sections 382 and 383 of the Internal Revenue Code of 1986 (relating to limitations on net operating loss carryforwards and certain built-in losses and credits following an ownership change) with respect to consolidated groups. The regulations include rules for determining whether a loss group or a loss subgroup has an ownership change, for computing a consolidated section 382 limitation or subgroup section 382 limitation, and for applying sections 382 and 383 to corporations that join or leave a group. The rules are necessary to provide guidance to such groups on the use of certain of their tax attributes. DATES: Effective Dates: These regulations are effective June 25, 1999. Applicability Dates: For dates of application and special effective date rules, see Effective Dates under SUPPLEMENTARY INFORMATION.