# Records

**Citation:** 4 CCR 723-4 Rule 4005  
**Type / status:** regulation / current  
**Agency:** Colorado Public Utilities Commission  
**Effective:** Not stated  
**Published:** Not stated

(a) Except as a specific rule may require, every utility shall maintain, for a period of not less than four years, and shall make them available for inspection at its principal place of business in Colorado during regular business hours, the following: (I) records concerning disputes, which records 

## Document text

(a) Except as a specific rule may require, every utility shall maintain, for a period of
not less than four years, and shall make them available for inspection at its
principal place of business in Colorado during regular business hours, the
following:
(I) records concerning disputes, which records are created pursuant to rule
4004;
(II) complete records of tests to determine the heating value of gas, which
records are created pursuant to rule 4202;
(III) records concerning interruptions and curtailments of service, which
records are created pursuant to rule 4203;
(IV) transportation request logs, which records are created pursuant to
paragraph 4206(f);
(V) notices of rejected transportation requests, which records are created
pursuant to paragraph 4206(c);
(VI) transportation agreements created pursuant to rule 4206;
(VII) all distribution pressure records, and all records or charts made with
respect to rule 4208, appropriately annotated;
(VIII) meter calibration records created pursuant to under rule 4303;
(IX) records concerning meters, which records are created pursuant to rules
4305 and 4306;

(X) customer billing records, which records are created pursuant to paragraph
4401(a);
(XI) customer deposit records, which records are created pursuant to rule
4403;
(XII) records and supporting documentation concerning its cost assignment and
allocation manual and fully-distributed cost study pursuant to paragraphs
4503(g) and 4504(e), for so long as the manual and study are in effect or
are the subject of a complaint or a proceeding before the Commission;
(XIII) the total gas transported under each transportation service in Mcf or
MMBtu and the associated total revenue;
(XIV) records concerning gas infrastructure plans, pursuant to rules 4550
through 4555;
(XV) records concerning clean heat plans, pursuant to rules 4725 through
4734; and
(XVI) records concerning demand side management, pursuant to rules 4750
through 4761.
(b) A utility shall maintain at each of its local offices and at its principal place of
business all tariffs filed with the Commission and applying to Colorado rate
areas. Current and complete tariffs shall also be available on a utility’s website in
a section that is easily navigable and clearly marked.
(c) A utility shall maintain its books of account and records in accordance with the
provisions of 18 C.F.R. Part 201, the Uniform System of Accounts. A utility shall
maintain its books of accounts and records separately and apart from those of its
affiliates.
(d) A utility shall preserve its records in accordance with the provisions of 18 C.F.R.
Part 225, the Preservation of Records of Public Utilities and Licensees.

## 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: `b3e49bc3b05b45fd8e59af9b11f8267318b114015c754a255749c605c0840b93`
- Retrieved: 2026-08-12T04:36:48.096Z
- Exported: 2026-08-24T12:57:03.159Z
- Document slug: `co-ccr-4-723-4-4005`

### Source metadata

```json
{
  "jurisdiction": "US-CO",
  "code": "4 CCR 723-4",
  "ruleKey": "4005",
  "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"
}
```
