- All Indian ships of 100 GRT and above entering into or transiting the Indian Search and Rescue Region (ISRR) shall participate in the INDSAR reporting system. All ships other than Indian Ships of 300 GRT and above entering or transiting through the above region are encouraged to participate in INDSAR reporting system.
- All ships 100 GRT and above irrespective of the flag carrying a nuclear or other inherently dangerous or noxious substances or materials entering into or transiting the Indian Search and Rescue Region (ISRR) waters are encouraged to participate in the INDSAR reporting system for safety.
- All ships of 20 years and above irrespective of the flag are advised to send the relevant report under INDSAR within ISRR.
- The format of the report or reports shall conform to the ship reporting guidelines prescribed in IMO Resolution A.851 [20] and Special Edition of Indian Notices to Mariners No.8.