# Definitions

**Citation:** 4 CCR 723-4 Rule 4801  
**Type / status:** regulation / current  
**Agency:** Colorado Public Utilities Commission  
**Effective:** Not stated  
**Published:** Not stated

The following definitions apply to rules 4800 through 4805, unless a specific statute or rule provides otherwise. In the event of a conflict between these definitions and a statutory definition, the statutory definition shall apply. (a) "Check-meter" means a meter or other composite measurement devi

## Document text

The following definitions apply to rules 4800 through 4805, unless a specific statute or
rule provides otherwise. In the event of a conflict between these definitions and a
statutory definition, the statutory definition shall apply.
(a) “Check-meter” means a meter or other composite measurement device used by
a master meter operator to determine gas consumption by end-users served by
the master meter operator.
(b) “Master meter” means a meter or other composite measurement device which a
serving utility uses to bill a master meter operator.
(c) “Master meter operator” (MMO) means a person who purchases gas service
from a serving utility for the purpose of delivering that service to end-users whose
aggregate usage is measured by a master meter.
(d) “Refund” means a refund, rebate, rate reduction, or similar adjustment.
(e) “Serving utility” means the utility from which the master meter operator receives
the gas service which the master meter operator then delivers to end-users.

## Provenance

- Official: Yes
- Source: <https://www.sos.state.co.us/CCR/DisplayRule.do?action=ruleinfo&ruleId=2260&deptID=18&agencyID=96&deptName=Department%20of%20Regulatory%20Agencies&agencyName=Public%20Utilities%20Commission&seriesNum=4%20CCR%20723-4>
- Source ID: `co-sos-ccr`
- SHA-256: `9d90bb7a7fba21fdba52880b786b468584e7649bd0174db5eda75c794373d92b`
- Retrieved: 2026-08-12T04:36:48.096Z
- Exported: 2026-08-24T10:41:34.908Z
- Document slug: `co-ccr-4-723-4-4801`

### Source metadata

```json
{
  "jurisdiction": "US-CO",
  "code": "4 CCR 723-4",
  "ruleKey": "4801",
  "pipelineScope": "colorado-jurisdictional-gas-utilities",
  "legalScope": "Current 4 CCR 723-4 rules regulating Colorado jurisdictional gas utilities and gas master-meter operators, including construction, operation, system safety, gas infrastructure planning, metering, service, and enforcement provisions. This is an adjacent gas-utility corpus, not a replacement for the repealed dedicated 4900-series pipeline-safety rules.",
  "applicabilityCaveat": "Part 4 applies according to Colorado Public Utilities Commission jurisdiction and each rule's scope. The former dedicated pipeline-safety rules 4900 through 4975 are reserved after repeal; this connector does not represent them as current. Part 4 does not replace federal pipeline-safety requirements, determine whether a facility is interstate or intrastate, or resolve operator-specific orders, waivers, tariffs, or later rulemaking.",
  "references": [],
  "ruleInfoUrl": "https://www.sos.state.co.us/CCR/DisplayRule.do?action=ruleinfo&ruleId=2260&deptID=18&agencyID=96&deptName=Department%20of%20Regulatory%20Agencies&agencyName=Public%20Utilities%20Commission&seriesNum=4%20CCR%20723-4",
  "pucRulesUrl": "https://puc.colorado.gov/gasrulesandregulations",
  "ruleVersionId": "12549",
  "editionEffectiveOn": "2026-06-14",
  "publicationStatus": "The Colorado Secretary of State identifies the source as the official publication of state administrative rules. The edition date applies to the compiled rule version and is not represented as the effective date of every provision.",
  "rights": "Official state rule text is preserved with attribution and source links. Public accessibility does not imply rights in agency marks, third-party material, or incorporated standards; commercial redistribution requires review.",
  "region": "CO"
}
```