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- Query: `73 FR 44800`
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- Exported: 2026-08-23T07:31:18.290Z

## 1. Pipeline Safety: National Pipeline Mapping System

**Citation:** 73 FR 44800  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 2008-07-31

This document advises gas transmission pipeline operators, hazardous liquid pipeline operators, and Liquefied Natural Gas (LNG) plant operators of voluntary changes pertaining to submittal dates and Operator ID numbers for National Pipeline Mapping System (NPMS) submissions.

### Provenance

- Official: Yes
- Source: <https://www.federalregister.gov/documents/2008/07/31/E8-17532/pipeline-safety-national-pipeline-mapping-system>
- Source ID: `federal-register`
- SHA-256: `ffeb790be6c8252b30a12baa54c77fcf3527c3d84362f5ebfe6f3bc40765f90b`
- Retrieved: 2026-08-20T06:04:51.294Z
- Document slug: `federal-register-e8-17532`
- Related records: 1