The municipal attorney of any municipality covered by the Voting Rights Act of 1965 shall submit to the Attorney General of the United States within 30 days:
(1) Of the time they become laws, any local acts of the General Assembly; and
(2) Of adoption actions of the municipal governing body or any other municipal agency or county board of elections which constitutes a "change affecting voting" under Section 5 of the Voting Rights Act of 1965 in that municipality; provided that, if required or allowed by regulations or practices of the United States Department of Justice, a municipal attorney may delay submission of any annexation ordinance or group of ordinances until all previously submitted annexation ordinances have been precleared or otherwise received final disposition.