Section 1398 - Extension of periods(a) The period specified in the permit for beginning construction work, for completion of construction work, for application of the water to beneficial use, or any or all of these periods may, for good cause shown, be extended by the board.(b) After any hearing on a petition to extend the period or periods, the board may revoke the permit in accordance with Section 1410.Amended by Stats. 1986, Ch. 670, Sec. 2.