P.R. Laws tit. 31, § 3274
2019-02-20 00:00:00+00
Public instruments, made for the purpose of impairing a former instrument, between the same parties, shall be effective against third parties only when the contents of the former should have been entered in the proper public registry or in the margin of the original instrument, and in that of the transcript of copy, by virtue of which the third person may have acted.
History —Civil Code, 1930, § 1173.