# Lavatory Oxygen Systems
> **Rule** · Final rule. · Published 2013-01-28 · Effective 2013-03-29 · 78 FR 5707
## Document
- **Document number:** 2013-01695
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 78 FR 5707
- **Publication date:** 2013-01-28
- **Effective date:** 2013-03-29
- **FAA docket:** Docket No. FAA-2011-0186
## Abstract

This action adds termination criteria and an expiration date to Special Federal Aviation Regulation 111, which temporarily authorizes variances from existing standards related to the provisioning of supplemental oxygen inside lavatories. This action is necessitated by the publication of Airworthiness Directive 2012-11-09, which mandates actions that restore supplemental oxygen to lavatories.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/01/28/2013-01695/lavatory-oxygen-systems)
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