Idaho Code § 44-1806
Within five (5) days from the expiration of the thirty (30) day period referred to in section 44-1805, Idaho Code, the bargaining agent and the corporate authorities shall each select and name one (1) member of a fact-finding commission respectively and shall immediately thereafter notify each other in writing of the names and addresses of the person so selected. The two (2) members so selected and named shall within ten (10) days from and after the expiration of the five (5) day period mentioned above, agree upon and appoint and name a third member. If on the expiration of the ten (10) day period the two (2) members are unable to agree upon the appointment of a third member, the director of the department of labor shall appoint such third member upon request in writing from either the bargaining agent or the corporate authorities. The third member of the fact-finding commission, whether appointed as result of agreement between the two (2) members selected by the bargaining agent and the corporate authorities, or appointed by the director, shall act as chairman of the fact-finding commission. No member of the fact-finding commission shall be an elected official, or employee of the city, county, fire district, or political subdivision affected. Any expenses incurred by the fact-finding commission shall be equally shared by the bargaining agent and the corporate authorities.
Idaho Code § 44-1806