Property Registration Decree (PD 1529)
Section 54. Dealings less than ownership, how registered. No new certificate shall be entered or issued pursuant to any instrument which does not divest the ownership or title from the owner or from the transferee of the registered owners. All interests in registered land less than ownership shall be registered by filing with the Register of Deeds the instrument which creates or transfers or claims such interests and by a brief memorandum thereof made by the Register of Deeds upon the certificate of title, and signed by him. A similar memorandum shall also be made on the owner's duplicate. The cancellation or extinguishment of such interests shall be registered in the same manner.