# Amendments to Designated Areas
> **US Department of the Interior** · Final rule. · Published 2016-07-29 · Effective 2016-09-01 · 81 FR 49897
## Document
- **Document number:** 2016-17599
- **Category:** other
- **Sub-agency:** US Department of the Interior
- **Federal Register citation:** 81 FR 49897
- **CFR reference:** 30 CFR 1206
- **Publication date:** 2016-07-29
- **Effective date:** 2016-09-01
- **Interior docket:** Docket No. ONRR-2014-0001
## Abstract

ONRR convened two technical conferences on November 20, 2015 to discuss amending the boundaries of four of the designated areas it uses to calculate the index-based major portion prices in its regulations. At the technical conferences, the participants discussed issues regarding the appropriate boundary line between the North Fort Berthold and South Fort Berthold Designated Areas and adding additional counties to one or both of the two designated areas in the Uintah and Ouray Reservation.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/07/29/2016-17599/amendments-to-designated-areas)
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