When a party transfers custody of designated fuels in the distribution system the transferor must provide a PTD to the new custodian.
PTDs contain a variety of information, some of which will not be included in information generated by prior sources of the fuel. No documentation is not an option in cases where a PTD is required.
Question and Answer was originally posted at Questions and Answers on the Clean Diesel Fuel Rules (PDF)(135 pp, 888 K, EPA420-B-06-010, July 2006, About PDF)