Wyo. Stat. § 31-18-502 (2026)

An additional fee may be collected by the issuing agency from a
licensee for each annual decal issued pursuant to W.S.
39-17-202(d) through (g). The fee shall be in an amount
determined by the department of transportation to be sufficient
to recover reasonable administrative costs of the International
Fuel Tax Agreement and the Multistate Highway Transportation
Agreement, but not more than ten dollars ($10.00) per annual
decal. The fee shall be remitted to the state treasurer who
shall credit the multistate highway and fuel tax agreements
account created by W.S. 39-17-211(e) within the highway fund.