15-11-202. Councilmen in first class city. (a) At the first election in a city which has divided into wards two (2) or three (3) councilmen shall be elected from each ward for the following terms: (i) If two (2) councilmen are elected from each ward, one (1) councilman shall serve a two (2) year term and one (1) councilman shall serve a four (4) year term; (ii) If three (3) councilmen are elected from each ward, one (1) councilman shall serve a two (2) year term and two (2) councilmen shall serve a four (4) year term; (iii) The terms of office shall be determined by lots cast by the council at its first meeting.
Wyoming Legal Code