This chapter and any franchise granted pursuant hereto shall be subject to all applicable federal and state laws, rules and regulations (hereinafter “law”). If any such law is thereafter amended, changed or repealed, or any new law is adopted or promulgated applicable to cable service after the effective date of any franchise granted hereunder, any such amendment or change shall be incorporated into this chapter at the option of the grantor to the extent permitted by law. Such change shall become effective upon 30 days’ written notice by the grantor to the grantee of such incorporation.