Yes, where for example a loading port is returned to because of a stability problem or because loose vehicle lashings are causing vehicles to move and threaten the safety of the ship and other cargo.
At least: name and IMO number of receiving ship; port; date of commencement of delivery; name, address and telephone number of marine fuel oil supplier; product name(s); quantity (metric tons); density at 15°C (kg/m3); sulphur content (% m/m); and a declaration signed and certified by the fuel oil supplier's representative that the fuel oil supplied is in conformity withregulation 14(1) or (4)(a) and regulation 18(1) of MARPOL Annex VI.
On behalf of the owners of the ship and the owners of all "maritime property" on board including any cargo, cargo containers, bunkers, stores and other equipment, and the recipients of any freight at risk. On a ship with contractors' equipment on board, such as a diving support vessel, the owners of that equipment would also be included. All the owners of "maritime property" become liable for a contribution to the salvor's reward if he is successful.
The shipowner; each cargo owner (however many); the owners of the ship's bunker fuel (who are often time charterers); the recipients of the freight at risk (usually the shipowner or time charterers). Where cargo is owned by more than one party, each cargo owner is treated as a separate interest and bears his own share of any general average loss, no matter how small.
No, but it is by far the most popular. Various other forms are in use around the world, some of them mandatory in a coastal State's waters. In Japanese waters, for example, the Japanese Form of Salvage Agreement may be offered by a local salvor. The U.S. Open Form Salvage Agreement may be used in the US. There is also a Beijing Form, a Moscow Form, a Hamburg Form and others.
Before arrival, either directly to the local authority or through an agent approved by the local authority, by radio, fax, email or other communications, so as to reach the local authority not more than twelve hours, and whenever practicable not less than four hours, before the expected arrival of the ship.