How can we help you today?

International Registration Plan (prorate)

Learn the easy way to license commercial vehicles operating in more than one state.

Fuel tax

See information about various fuel taxes in Washington state, including information about dyed diesel and potential fuel tax refunds.

International Fuel Tax Agreement (IFTA)

Get information about IFTA licenses, tax returns, and recordkeeping requirements for carriers operating in more than 1 state or province.