# Certifications and Exemptions Under the International Regulations for Preventing Collisions at Sea, 1972
> **US Department of Defense** · Final rule; correcting amendment. · Published 2011-05-16 · Effective 2011-05-16 · 76 FR 28180
## Document
- **Document number:** 2011-11759
- **Category:** other
- **Sub-agency:** US Department of Defense
- **Federal Register citation:** 76 FR 28180
- **CFR reference:** 32 CFR 706
- **Publication date:** 2011-05-16
- **Effective date:** 2011-05-16
## Abstract

In the Federal Register of April 21, 2011, the Department of the Navy (DoN) published a final rule concerning certifications and exemptions under the International Regulations for Preventing Collisions at Sea, 1972 (72 COLREGS). That document contained incorrect information concerning side lights arc of visibility; rule 21(b). This correcting amendment corrects that information.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/05/16/2011-11759/certifications-and-exemptions-under-the-international-regulations-for-preventing-collisions-at-sea)
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