paragraph 210 in volume 2, chapter 12, The Compulsory Jurisdiction (Optional Clause)
As a matter of legal technicality, modification, amendment, replacement and termination of a legal obligation are in effect identical transactions in relation to the original instrument. Each terminates that instrument in its existing form. Modification and amendment (the meaning of the two terms is probably identical for declarations) replace it with a new text. Replacement, as it name indicates, is the sa…