As used in this part:

Governmental agency means the governor, legislature, and any other component of a federal, state, local, tribal, or Alaskan native village government with authority to act for or on behalf of that government.

State housing finance agency or SHFA means:

(1) A public agency, authority, or publicly sponsored corporation that serves as an instrumentality of any state or political subdivision of any state, and functions as a source of residential mortgage loan financing in that state; or

(2) A legally established agency, authority, corporation, or organization that serves as an instrumentality of any Indian tribe, band, group, nation, community, or Alaskan Native village recognized by the United States or any state, and functions as a source of residential mortgage loan financing for the Indian or Alaskan Native community.