Motor Fuel Tax Filing Program
To submit your Motor Vehicle Fuel Supplier, Diesel Fuel Supplier, or Aircraft Jet Fuel Dealer return, your Terminal Operator Report, or your Diesel Fuel Ultimate Vendor Claim,
log in here.
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In order to perform basic maintenance on the CDTFA website, the system will be unavailable for Online Services access from Sunday at 7:00 p.m. to Monday at 5:00 a.m., Pacific Time.