The plats and estimates prepared by the Administration require approval by a resolution of the Commission. If the plats and estimates are approved by the Commission: The Chairman of the Commission shall sign the cover sheet of each set of plats; and A set of plats and its signed cover sheet shall be filed for record with: The secretary of the Commission; and The State Archives. The secretary of the Commission shall record the plats filed with him. Plats filed with the State Archives shall be electronically recorded as provided in § 9-1011 of the State Government Article.