---
kind: "section"
citation: "43 C.F.R. § 3173.18"
title: "43"
number: "3173.18"
heading: "Modification of a commingling and allocation approval."
url: "https://uscodex.org/cfr/43/3173.18"
---

# §3173.18. Modification of a commingling and allocation approval.

- (a) A CAA must be modified when there is:
  - (1) A modification to the allocation agreement;
  - (2) Inclusion of additional leases, unit PAs, or CAs are proposed in the CAA; or
  - (3) Termination of or permanent production cessation from any of the leases, unit PAs, or CAs within the CAA.
- (b) To request a modification of a CAA, all operators must submit to the AO:
  - (1) A completed Sundry Notice describing the modification requested;
  - (2) A new allocation methodology, including an allocation methodology which includes allocation of produced water and an example of how the methodology is applied, if appropriate; and
  - (3) **Certification by each operator in the CAA that it agrees to the CAA modification.**
- (c) **A change in operator does not trigger the need to modify a CAA.**

## Notes

### Authority

Authority: 25 U.S.C. 396d and 2107; 30 U.S.C. 189, 306, 359, and 1751; and 43 U.S.C. 1732(b), 1733, and 1740.

### Source

Source: 81 FR 81421, Nov. 17, 2016, unless otherwise noted.