Okla. Admin. Code § 765:37-5-3
Each installer shall keep for a period of five (5) years from the date of installation (or as required by any other federal, state of location regulation), a record of the installation of each manufactured home he installs which shall show the name of the party the installer contracted with for the installation the home, a description of the manufactured home and such other information as the Commission may prescribe. The records shall be available upon request to authorized agents or employees of the Commission. If it is determined that a licensee has knowingly provided false or misleading information when requested to provide records, the licensee may be subject to any appropriate sanction authorized by rule or statute.
Okla. Admin. Code § 765:37-5-3