Property Registration Decree (PD 1529)
Section 75. Application for new certificate upon expiration of redemption period. Upon the expiration of the time, if any, allowed by law for redemption after registered land has been sold on execution taken or sold for the enforcement of a lien of any description, except a mortgage lien, the purchaser at such sale or anyone claiming under him may petition the court for the entry of a new certificate of title to him.
Before the entry of a new certificate of title, the registered owner may pursue all legal and equitable remedies to impeach or annul such proceedings.