Section 655.1215 - How are the Administrator's investigation findings issued?(a) The Administrator's determination, issued under § 655.1205(d) , shall be served on the complainant, the facility, and other interested parties by personal service or by certified mail at the parties' last known addresses. Where service by certified mail is not accepted by the party, the Administrator may exercise discretion to serve the determination by regular mail. Where the complainant has requested confidentiality, the Administrator shall serve the determination in a manner which will not breach that confidentiality.(b) The Administrator's written determination required by § 655.1205(c) shall:(1) Set forth the determination of the Administrator and the reason or reasons therefore; prescribe any remedies or penalties including the amount of any unpaid wages due, the actions required for compliance with the facility Attestation, and the amount of any civil money penalty assessment and the reason or reasons therefore.(2) Inform the interested parties that they may request a hearing under § 655.1220 .(3) Inform the interested parties that if a request for a hearing is not received by the Chief Administrative Law Judge within 15 days of the date of the determination, the determination of the Administrator shall become final and not appealable.(4) Set forth the procedure for requesting a hearing, and give the address of the Chief Administrative Law Judge.(5) Inform the parties that, under § 655.1255 , the Administrator shall notify the Department of Homeland Security and ETA of the occurrence of a violation by the employer.75 FR 10406, Mar. 5, 2010