decree of the court ordering registration shall be in the nature of a decree in rem, shall forever quiet the title to the land therein ordered registered and shall be final and conclusive as against the rights of all persons, known and unknown, to assert any estate, interest, claim, lien, or demand of any kind or nature whatsoever, against the land so ordered registered or any part thereof, except only as in this Law provided.
SOURCE: CC ‘1157.15.