---
kind: "section"
citation: "30 C.F.R. § 550.283"
title: "30"
number: "550.283"
heading: "When must I revise or supplement the approved EP, DPP, or DOCD?"
url: "https://uscodex.org/cfr/30/550.283"
---

# §550.283. When must I revise or supplement the approved EP, DPP, or DOCD?

- (a) **Revised OCS plans.** You must revise your approved EP, DPP, or DOCD when you propose to:
  - (1) Change the type of drilling rig (e.g., jack-up, platform rig, barge, submersible, semisubmersible, or drillship), production facility (e.g., caisson, fixed platform with piles, tension leg platform), or transportation mode (e.g., pipeline, barge);
  - (2) Change the surface location of a well or production platform by a distance more than that specified by the Regional Supervisor;
  - (3) Change the type of production or significantly increase the volume of production or storage capacity;
  - (4) Increase the emissions of an criteria air pollutant, VOC, or TSP to an amount that exceeds the amount specified in your approved EP, DPP, or DOCD;
  - (5) Significantly increase the amount of solid or liquid wastes to be handled or discharged;
  - (6) Request a new H2S area classification, or increase the concentration of H2S to a concentration greater than that specified by the Regional Supervisor;
  - (7) Change the location of your onshore support base either from one State to another or to a new base or a base requiring expansion; or
  - (8) **Change any other activity specified by the Regional Supervisor.**
- (b) **Supplemental OCS plans.** You must supplement your approved EP, DPP, or DOCD when you propose to conduct activities on your lease(s) or unit that require approval of a license or permit which is not described in your approved EP, DPP, or DOCD. These types of changes are called supplemental OCS plans.

## Notes

### Amendments

[76 FR 64623, Oct. 18, 2011, as amended at 85 FR 34936, June 5, 2020]

### Authority

Authority: 30 U.S.C. 1751; 31 U.S.C. 9701; 43 U.S.C. 1334.

### Source

Source: 76 FR 64623, Oct. 18, 2011, unless otherwise noted.

### Amendments

[76 FR 64623, Oct. 18, 2011, as amended at 85 FR 34936, June 5, 2020]