# Consolidated Net Operating Losses
> **IRS** · Final regulations. · Published 2020-10-27 · Effective 2020-12-28 · 85 FR 67966
## Document
- **Document number:** 2020-22974
- **Category:** tax-irs
- **Sub-agency:** IRS
- **Federal Register citation:** 85 FR 67966
- **CFR reference:** 26 CFR 1
- **Publication date:** 2020-10-27
- **Effective date:** 2020-12-28
- **Treasury docket:** TD 9927
## Abstract

This document contains final regulations under sections 1502 and 1503 of the Internal Revenue Code (Code). These regulations provide guidance implementing recent statutory amendments to section 172 of the Code relating to the absorption of consolidated net operating loss (CNOL) carryovers and carrybacks. These regulations also update regulations applicable to consolidated groups that include both life insurance companies and other companies to reflect statutory changes. These regulations affect corporations that file consolidated returns.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/10/27/2020-22974/consolidated-net-operating-losses)
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