Section 39.02.60.201 - PROVISIONS FOR LEGISLATIVE LICENSE PLATES01.Option to Apply. Members of the Idaho Legislature have the option of applying to the Department for one (1) set of specially numbered license plates bearing the designation "HOUSE" or "SENATE."02.Numbering Assignment List. Each year, the Department will request from the Speaker and Pro Tem a current list of license numbers assigned to all legislators.Idaho Admin. Code r. 39.02.60.201