WAC 308-77-109. Invoice requirements for refund to nonlicensees and IFTA licensees

(1) What is a valid invoice? A valid invoice must include: (a) Name and address of the seller; (b) The type of fuel and number of gallons purchased; (c) Complete date of sale including month, day, and year; (d) Price per gallon; and (e) Total amount of sale. (2) A separate invoice must be issued for each fuel purchase. A single invoice may list multiple deliveries of fuel purchases made during a calendar month. (3) The department will not accept invoices with altered, corrected, or erased information. (4) What happens if I get an incorrect invoice? The seller must issue a new invoice marked "correction" and reference the original. (5) What happens if I lose or destroy my invoice? The seller may issue a copy. The copies must be plainly marked "copy" or "duplicate."