The commission shall function in an advisory capacity to the mayor and city council and shall have the authority to contact and solicit advice from members and groups of the Challis community, government officials of the city, county, state and federal government, and any other persons having commercial or noncommercial interests in the Challis Municipal Airport; provided, however, the commission shall not be authorized to enter into any written or verbal agreement for the payment of services, materials or property, nor shall the commission be authorized to obligate the city in any manner for payment of services or materials rendered, or professional or consultant's fees in the exercise of the commission's functions, without the prior express written approval of the mayor and city council. (Ord. 382-A, 5-11-1993)