Who will BIA bill?
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
(a) We will bill the landowner, unless:
(1) The land is leased under a lease approved by us, in which case we will bill the lessee, or
(2) The landowner(s) is represented by a representative organization that collects annual operation and maintenance assessments on behalf of its members and the representative organization makes a direct payment to us on your behalf.
(b) If you own or lease assessable lands within a BIA irrigation facility, you will be billed for annual operation and maintenance assessments, whether you request water or not, unless otherwise specified in § 171.505(b).
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.