30 CFR § 203.64 - How many applications may I file on a field or a development project?

---
identifier: "/us/cfr/t30/s203.64"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 203.64 - How many applications may I file on a field or a development project?"
title_number: 30
title_name: "Mineral Resources"
section_number: "203.64"
section_name: "How many applications may I file on a field or a development project?"
chapter_name: "BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "A"
subchapter_name: "MINERALS REVENUE MANAGEMENT"
part_number: "203"
part_name: "RELIEF OR REDUCTION IN ROYALTY RATES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "25 U.S.C. 396  25 U.S.C. 396a  25 U.S.C. 2101  30 U.S.C. 181  30 U.S.C. 351  30 U.S.C. 1001  30 U.S.C. 1701  31 U.S.C. 9701; 42 U.S.C. 15903-15906; 43 U.S.C. 1301  43 U.S.C. 1331  and 43 U.S.C. 1801"
regulatory_source: "76 FR 64462, Oct. 18, 2011, unless otherwise noted."
cfr_part: "203"
---


# 203.64 How many applications may I file on a field or a development project?

You may file one complete application for royalty relief during the life of the field or for a development project or an expansion project designed to produce a reservoir or set of reservoirs. However, you may send another application if:

(a) You are eligible to apply for a redetermination under § 203.74;

(b) You apply for royalty relief for an expansion project;

(c) You withdraw the application before we make a determination; or

(d) You apply for end-of-life royalty relief.