The boundaries and identification of the coastal zone, including the first and second tier established by this chapter, are shown on the Coastal Zone Management Plan Maps, identified as Document Number STCZM-1 to 5, SCCZM-1 to 11, SJCZM-1 to 4, and OICZM-1, inclusive, which are filed in the Office of the Lieutenant Governor (with copies in the offices of the Commissioner and the Virgin Islands Planning Office), and shall be interpreted by the Commissioner. Such maps are hereby declared to be part of this chapter as if fully set forth herein.