61. Transfer of registry.- (1) The registry of any ship may, with the previous approval of the Director-General, be transferred from one port of registry to another on the application to the registrar of the existing port of registry of the ship made by declaration in writing of all persons appearing in hew register to be interested therein as owners or mortgages, but that transfer shall not in any way affect the rights of those persons moor any of them and those rights shall in all respects continue in the same manner as if no such transfer had been effected.
(2) On receipt of any such application the registrar shall transmit notice thereon to the registrar of the intended port of registry with a copy of all particulars relating to the ship and the names of all persons appearing in that register to be interested therein as owners or mortgagees.
(3) The ship's certificate of registry shall be delivered to the registrar either of the existing or intended port of registry, and, if delivered to the former, shall be transmitted to the registrar of the intended port of registry.
(4) On receipt of the documents aforesaid the registrar of the intended port of registry shall enter in his register book all the particulars and names so transmitted as aforesaid, and grant a fresh certificate of registry, and thenceforth such ship shall be considered to be registered at the new port of registry, and the name of the ship's new port of registry shall be substituted for the name of her former port of registry on the ship.