As per the IPZ Notification, 2011, Island Coastal Regulation Zone (ICRZ), are required to be prepared by the Andaman Administration for  large geographical areas under the ICRZ category namely North Andaman, Middle Andaman, Long Island, Baratang, South Andaman, Neil, Little Andaman, Havelock Island, Car Nicobar and Great Nicobar Island), and ICRZ plans have to be prepared for these islands.

The Island Protection Zone (IPZ) Notification, 2011, declares the coastal stretches (areas within 500 meters from HTL along seafront or up to hazard line if delineated on landward side) of the Andaman and Nicobar Islands and their water area upto territorial water, as the IPZ for regulation of developmental activities.

As per the IPZ Notification, 2011, the jurisdiction of IPZ is applicable to:

• The land area from HTL to 500 mts on the landward side along the sea front
• ICRZ shall apply to the land area between HTL to 100 mts or width of the creek whichever is less on the landward side along the tidal influenced water bodies that are connected to the sea and the distance upto which development along such tidal influenced water bodies is to be regulated shall be governed by the distance upto which the tidal effects are experienced which shall be determined based on salinity concentration of 5 parts per thousand (ppt) measured during the driest period of the year and distance upto which tidal effects are experienced shall be clearly identified and demarcated accordingly in the ICRZ Plan.
• The intertidal zone (land area between HTL and Low Tide Line (LTL)
• The water and the bed area between the LTL to the territorial water limit (12 Nm) in case of sea and the water and the bed area between LTL at the bank to the LTL on the opposite side of the bank, of tidal influenced water bodies.