The Enforcement Rules of the Ship Registration Law Article 27

In case of loss of a ship, which had been leased or mortgaged jointly with some other ship before loss, the cause and date of loss shall be recorded in the corresponding column of such other ship's register book.As the case mentioned in the previous paragraph, if the port of registry of such other ship is under the jurisdiction of another Shipping Administration Authority, such authority shall be notified of making such registration mentioned above.