Who decides what work will be done?
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
The servicing housing office will determine what work is to be done on your house or whether your house will be replaced. The servicing housing office also provides the priority list annually to the Indian Health Service if the Indian Health Service is responsible for verifying availability or feasibility of water and wastewater facilities.
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.