PUC § 13378

If no such referendum petition is presented within the period of 60 days, then upon the expiration of such period, or if the proposition of issuing the bonds specified in the resolution of the board adopted pursuant to this article has been assented to by a majority of the voters voting on the proposition, whether upon referendum or pursuant to Section 13379, then upon such proposition having been so assented to, the resolution shall take full and final effect, and the board may proceed in accordance with the provisions of this article and issue bonds within the terms of the resolution.