Abatement; interest accruals; federal income taxes. The Supreme Court holds that the Tax Court provides the exclusive forum for judicial review of failure to abate interest under section 6404(e)(1).

This document contains corrections to proposed regulations (REG-107592-00, 2007-44 I.R.B. 908) and withdrawal of proposed regulations (REG-105964-98) providing guidance regarding the treatment of transactions involving obligations between members of a consolidated group and the treatment of transactions involving the provision of insurance between members of a consolidated group. These regulations will affect corporations filing consolidated returns.