(1) The board may approve a temporary resolution of a county, city, or town or the board of directors or managers of a water or sewer district or water utility to authorize an unlicensed person to perform plumbing work if:

(a) there is not a licensed plumber within a 100 mile radius; and

(b) reasonable notice has been submitted to the board in accordance with 37-69-102, MCA.

(2) The type of plumbing work is restricted to repair and maintenance of an existing plumbing system only.

(3) The county, city, or town or the board of directors or managers of a water or sewer district, or water utility shall be required to reapply for board approval every three years from the date of board approval, or at the time a new unlicensed person has been delegated, whichever occurs first.