How can the plan be revised?
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
Once a tribe has withdrawn its funds, the tribe may revise its plan without our approval. All revisions should conform to the procedures outlined in the approved management plan. The tribe should inform its members of all revisions to a plan through normal tribal procedures before the revisions are implemented.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.