12 C.F.R. § 1211.1
As used in this part:
Approval means a written statement issued to a regulated entity or the Office of Finance approving a transaction, activity, or item that requires FHFA approval under a statute, rule, regulation, policy, or order.
Non-Objection Letter means a written statement issued to a regulated entity or the Office of Finance providing that FHFA does not object to a proposed transaction or activity.
Regulatory Interpretation means a written interpretation issued by the FHFA General Counsel with respect to the application of a statute, rule, regulation, or order to a proposed transaction or activity.
Requester means an entity that has submitted an application for a Waiver or Approval or a request for a Non-Objection Letter or Regulatory Interpretation.
Waiver means a written statement issued by the Director to a regulated entity or the Office of Finance that waives a provision, restriction, or requirement of an FHFA rule, regulation, policy, or order, or a required submission of information, not otherwise required by law, in connection with a particular transaction or activity.
12 C.F.R. § 1211.1