123.—(1) An application to register an agreement about the operation of accretion or diluvion in relation to a registered estate in land must be made by, or be accompanied by the consent of, the proprietor of the registered estate and of any registered charge, except that no such consent is required from a person who is party to the agreement.
(2) On registration of such an agreement the registrar must make a note in the property register that the agreement is registered for the purposes of section 61(2) of the Act.