24 CFR §3286.507

1. (a)Verification by inspector. When an inspector is satisfied that the manufactured home has been installed in accordance with the requirements of this part, the inspector must provide verification of the installation in writing and return the evidence of such verification to the installer.
2. (b)Certification by installer.
   1. (1)Once an installation has been inspected and verified, the installer is permitted to certify the installation as provided in § 3286.111. The installer must provide a signed copy of the certification to:
      1. (i)The retailer that contracted with the purchaser for the sale of the home;
      2. (ii)The purchaser; and
      3. (iii)Any other person that contracted to obtain the services of the installer for the installation work on the home.
   2. (2)The installer must retain records in accordance with § 3286.413.