Periodic review – the 2 governments have agreed that, although the agreement is expected to operate without regular renegotiation, it should be subject to periodic review.
Adolygu cyfnodol – mae’r ddwy lywodraeth wedi cytuno, er bod disgwyl i’r cytundeb weithredu heb ei ailnegodi’n rheolaidd, y dylai gael ei adolygu’n gyfnodol.