US lawWashingtonRegulationsTitle 308 — LICENSING, DEPARTMENT OFChapter 308-78 — AIRCRAFT FUEL TAX308-78-035WAC 308-78-035WAC 308-78-035. What is the minimum refund amount?Last amended: 2016Year: 2026Length: 13 wordsOfficial source The minimum refund amount for both licensed and unlicensed accounts is twenty dollars.PreviousWAC 308-78-030NextWAC 308-78-045