Section 1090.1250 - Recordkeeping requirements for auditors(a)Overview. In addition to the requirements in § 1090.1205 , an auditor must keep records that include the information in this section.(b)Auditors. An auditor must keep records of the following information: (1) Documents pertaining to the performance of each audit performed under subpart S of this part, including all correspondence between the auditor and the fuel manufacturer.(2) Copies of each attestation report prepared and all related records developed to prepare the attestation report.