# Mandatory Reliability Standards for the Calculation of Available Transfer Capability, Capacity Benefit Margins, Transmission Reliability Margins, Total Transfer Capability, and Existing Transmission Commitments and Mandatory Reliability Standards for the Bulk-Power System
> **Federal Energy Regulatory Commission** · Order on clarification. · Published 2010-05-11 · Effective 2010-06-10 · 75 FR 26057
## Document
- **Document number:** 2010-11089
- **Category:** electric-grid
- **Sub-agency:** Federal Energy Regulatory Commission
- **Federal Register citation:** 75 FR 26057
- **CFR reference:** 18 CFR 40
- **Publication date:** 2010-05-11
- **Effective date:** 2010-06-10
- **Energy docket:** Docket No. RM08-19-002
## Abstract

In this order, the Commission grants several requests for clarification of Order No. 729, which approved and directed modification of six Modeling, Data, and Analysis Reliability Standards submitted to the Commission for approval by the North American Electric Reliability Corporation, the Commission-certified Electric Reliability Organization for the United States. As discussed below, the Commission clarifies the implementation timeline for these Reliability Standards as well as certain directed modifications.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/05/11/2010-11089/mandatory-reliability-standards-for-the-calculation-of-available-transfer-capability-capacity)
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