24 C.F.R. § 3282.412
(a) Grounds for issuance of preliminary determination. The Secretary or, in accordance with § 3282.411, an SAA in the State of manufacture, may issue a Notice of Preliminary Determination when:
(1) The manufacturer has not provided to the Secretary or SAA the necessary information to make a determination that:
(2) The Secretary or SAA has information that indicates a noncompliance, defect, serious defect, or imminent safety hazard possibly exists, and, in the case of the SAA, the SAA believes that:
(b) Additional requirements—SAA issuance.
(d) Notice of Preliminary Determination.
(1) The Notice of Preliminary Determination must be sent by certified mail or express delivery and must:
(e) Presentation of views.
(1) If a manufacturer elects to exercise its right to a hearing or presentation of views, the Secretary or the SAA, as applicable, must receive the manufacturer's request for a hearing or presentation of views:
(f) Issuance of Final Determination.
(1) The SAA or the Secretary, as appropriate, may make a Final Determination that is based on the allegations in the preliminary determination and adverse to the manufacturer if: