# Revising Consolidated Return Regulations and Controlled Group of Corporations Regulations to Reflect Statutory Changes, Modernize Language, and Enhance Clarity
> **IRS** · Final regulations. · Published 2024-12-30 · Effective 2024-12-30 · 89 FR 106848
## Document
- **Document number:** 2024-29480
- **Category:** tax-irs
- **Sub-agency:** IRS
- **Federal Register citation:** 89 FR 106848
- **CFR reference:** 26 CFR 1
- **Publication date:** 2024-12-30
- **Effective date:** 2024-12-30
- **Treasury docket:** TD 10018
## Abstract

This document contains final regulations that affect affiliated groups of corporations that file consolidated Federal income tax returns. These regulations modify the consolidated return regulations and the controlled group of corporations regulations to reflect statutory changes, update language to remove antiquated or regressive terminology, and enhance clarity. Additionally, this document withdraws certain temporary regulations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2024/12/30/2024-29480/revising-consolidated-return-regulations-and-controlled-group-of-corporations-regulations-to-reflect)
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