The question may be submitted by the county clerk at an election called, conducted, canvassed and returned in the manner provided for bond elections by the Political Subdivision Bond Election Law, W.S. 22-21-101 through 22-21-112, as specified by the board of county commissioners upon request of the regional transportation authority. (b) If the proposition is approved, the levy shall expire four (4) years from the date of initial imposition and the same proposition shall be submitted at the general election held four (4) years from the date the proposition is approved and until the proposition is defeated. If the proposition to impose or continue the levy is defeated, it shall not again be submitted to the electors for at least twenty-three (23) months. (c) If approved by the qualified electors, the board of county commissioners shall certify the levy authorized under subsection (a) of this section and the levy shall be imposed upon the taxable property of the county or municipality. Revenues collected under this levy shall be deposited by the county treasurer into an account certified by the board and used solely for the purpose for which the levy was imposed.