Notwithstanding any other provision of this article, any franchise heretofore or hereafter granted shall not be invalid or subject to revocation because the bond required by law at the time of the award of such franchise shall not have been filed within the time then prescribed, provided the bond is filed prior to the setting aside of the award or, as the case may be, the repeal of the ordinance granting such franchise.
Ca. Pub. Util. Code § 6010.1