§ 80.145 Recordkeeping.

(a) General requirements—(1) Records to be kept. All parties subject to the requirements of this subpart must keep the following records:

(i) Compliance report records. Records related to compliance reports submitted to EPA under this part as follows:

(A) Copies of all reports submitted to EPA.

(B) Copies of any confirmation received from the submission of such reports to EPA.

(C) Copies of all underlying information and documentation used to prepare and submit the reports.

(D) Copies of all calculations required under this subpart.

(ii) Registration records. Records related to registration under this part and 40 CFR part 1090, subpart I, as follows:

(A) Copies of all registration information and documentation submitted to EPA.

(B) Copies of all underlying information and documentation used to prepare and submit the registration request.

(iii) PTD records. Copies of all PTDs required under this part.

(iv) Subpart M records. Any applicable record required under 40 CFR part 80, subpart M.

(v) QAP records. Information and documentation related to participation in any QAP program, including contracts between the entity and the QAP provider, records related to verification activities under the QAP, and copies of any QAP-related submissions.

(vi) Sampling, testing, and measurement records. Documents supporting the sampling, storage, testing, and measurement results relied upon under § 80.155, including all results, maintenance records, and calibration records.

(vii) Other records. Any other records relied upon by the party to demonstrate compliance with this subpart.

(viii) Potentially invalid RINs. Any records and copies of notifications related to potentially inaccurate or non-qualifying biogas volumes or potentially invalid RINs under § 80.185.

(ix) RNG importers and foreign parties. Any records related to RNG importers and foreign parties under §§ 80.160, 80.1466, and 80.1467, as applicable.

(2) Length of time records must be kept. The records required under this subpart must be kept for five years from the date they were created, except that records related to transactions involving RINs must be kept for five years from the date of the RIN transaction.

(3) Make records available to EPA. Any party required to keep records under this section must make records available to EPA upon request by EPA. For records that are electronically generated or maintained, the party must make available any equipment and software necessary to read the records or, upon approval by EPA, convert the electronic records to paper documents.