The ship owner or his/her agent shall, before repairs, fill up a ship repair application form with a photocopy of the ship repairer's company or commercial registration and have them submitted to the commercial port management enterprise, maritime and port authority or its designated institution for approval.

A tanker or a ship carrying flammable or explosive dangerous substances shall not conduct welding or melting works and shall not dismantle the main engine for examination and repairs before completely discharging or cleaning up oil gas.

While a ship is under repairs in a port area, the ship operator shall assign a representative on site exclusively to monitor the repairs. The repairman shall assign a responsible person on site, who shall be under supervision of the supervising personnel, to take necessary safety measures. On every welding and smelting site, one of the following firefighting equipment should be in place:
1.Liquid or foam fire extinguishers with the contents volume no less than nine kilograms.
2.Carbon dioxide fire extinguishers with the contents of carbon dioxide no less than five kilograms.
3.Dry powder fire extinguishers with contents of the dry powder no less than three and a half kilograms.
4.Other approved fire extinguishing materials or fire extinguishers with the fire extinguishing capacity equivalent to nine kilograms of liquid.

To ensure safety, machinery relating to the mobility of the ship in the berthing area may not be repaired during bad weather or when there are potential safety concerns.