# Modification of Interchange and Transmission Loading Relief Reliability Standards; and Electric Reliability Organization Interpretation of Specific Requirements of Four Reliability Standards
> **Federal Energy Regulatory Commission** · Final rule. · Published 2009-03-24 · Effective 2009-04-23 · 74 FR 12256
## Document
- **Document number:** E9-6416
- **Category:** electric-grid
- **Sub-agency:** Federal Energy Regulatory Commission
- **Federal Register citation:** 74 FR 12256
- **CFR reference:** 18 CFR 40
- **Publication date:** 2009-03-24
- **Effective date:** 2009-04-23
- **Energy docket:** Docket Nos. RM08-7-000 and RM08-7-001
## Abstract

Pursuant to section 215 of the Federal Power Act (FPA), the Federal Energy Regulatory Commission (Commission) approves Reliability Standard IRO-006-4, submitted to the Commission for approval by the North American Electric Reliability Corporation (NERC). The Reliability Standard addresses transmission loading relief requirements, which provide a mechanism to manage and, if necessary, curtail interchange transactions. In addition, pursuant to section 215(d)(5) of the FPA, the Commission directs NERC to develop modifications to Reliability Standard IRO-006-4 to address specific Commission concerns.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/03/24/E9-6416/modification-of-interchange-and-transmission-loading-relief-reliability-standards-and-electric)
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