Supersedure of regulations
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
These regulations supersede the regulations formerly appearing in this part. However, any acquisition of property or displacement of a person occurring prior to the effective date of these regulations shall continue to be governed by the regulations at 25 CFR part 700 in effect at the time of the acquisition or displacement.
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.