# Gas Transportation Service Requirements

**Citation:** 4 CCR 723-4 Rule 4205  
**Type / status:** regulation / current  
**Agency:** Colorado Public Utilities Commission  
**Effective:** Not stated  
**Published:** Not stated

(a) In its tariffs, a utility shall establish maximum rates for gas transportation service. In addition, a utility which desires price flexibility shall include its minimum rates in its tariffs. The following apply to transportation tariff rates: (I) Maximum rates for transportation shall be based o

## Document text

(a) In its tariffs, a utility shall establish maximum rates for gas transportation service.
In addition, a utility which desires price flexibility shall include its minimum rates
in its tariffs. The following apply to transportation tariff rates:
(I) Maximum rates for transportation shall be based on fully allocated cost
methods and shall include an allowance for return on allocated rate base
equal to the last rate of return authorized by the Commission for the utility.
(II) A utility may, at its discretion, offer natural gas transportation standby
capacity service or standby supply service. A utility may require separate
charges for:
(A) natural gas transportation standby capacity (if offered);

(B) standby supply (if offered);
(C) administration, services and facilities; and
(D) a utility's avoidable purchased gas commodity costs based on
current market-driven gas prices.
(b) In its tariffs, a utility shall establish terms and conditions for gas transportation
service, including at least the following:
(I) all criteria for determining gas transportation capacity;
(II) all gas transportation costs;
(III) all nomination requirements;
(IV) all measurement and facility requirements;
(V) as applicable, all gas supply cost provisions;
(VI) all gas balancing provisions;
(VII) all quality of gas requirements;
(VIII) the utility’s line extension policy;
(IX) the gas transportation request form required by paragraph 4206(a);
(X) the utility's gas transportation standard gas transportation service
agreement, which shall include the statements required by paragraph
4206(d); and
(XI) the utility's standard agency agreement required by paragraph 4206(e).

## 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: `76d9efbff22624e7deb687e680c3f3d8482b488ab3e4556ad0c2a1daaa7f1701`
- Retrieved: 2026-08-12T04:36:48.096Z
- Exported: 2026-08-23T22:06:55.515Z
- Document slug: `co-ccr-4-723-4-4205`

### Source metadata

```json
{
  "jurisdiction": "US-CO",
  "code": "4 CCR 723-4",
  "ruleKey": "4205",
  "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"
}
```