Platting; Requiring that certain plat or replat submittals be administratively approved with no further action by certain entities under certain circumstances; requiring the governing body of such county or municipality to designate an administrative authority to receive, review, and process plat or replat submittals; requiring the administrative authority to approve, approve with conditions, or deny a plat or replat submittal in accordance with the timeframe in the initial written notice to the applicant, etc.