# Pipeline Safety: National Pipeline Mapping System Data Submissions and Submission Dates for Gas Transmission and Gathering Systems and Liquefied Natural Gas Annual Reports
> **Pipeline and Hazardous Materials Safety Administration** · Issuance of advisory bulletin. · Published 2011-05-17 · 76 FR 28326
## Document
- **Document number:** 2011-11954
- **Category:** pipeline-safety
- **Sub-agency:** Pipeline and Hazardous Materials Safety Administration
- **Federal Register citation:** 76 FR 28326
- **CFR reference:** 49 CFR 191
- **Publication date:** 2011-05-17
- **DOT docket:** Docket No. PHMSA-2011-0121
## Abstract

This document advises owners and operators of gas transmission and gathering systems and Liquefied Natural Gas (LNG) facilities that they have until August 15, 2011, to submit their Calendar Year 2010 Annual Reports. This document also provides guidance for Calendar Year 2010 National Pipeline Mapping System (NPMS) submissions.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/05/17/2011-11954/pipeline-safety-national-pipeline-mapping-system-data-submissions-and-submission-dates-for-gas)
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