Plans to be prepared by authorized persons. Any site plan or any portion thereof, including "as-built" site plans involving the practice of engineering, architecture or land surveying, shall be prepared and certified respectively by an engineer, architect, landscape architect or land surveyor duly authorized by the State of Maryland to practice as such. A site plan may be prepared in one or more sheets to show clearly the information required by this section and to facilitate the review and approval of the plan. If prepared in more than one sheet, match lines shall clearly indicate where the several sheets join. Every site plan shall show the name and address of the owner or developer, election district, North point, date and scale of drawing, number of sheets, existing zoning, Town Zoning Case Number and the Tax Map and parcel number. The date of originals and index of all previous revisions shall be provided with each revision. In addition, it shall reserve adequate space for the use of the approving authority.