HML and HMMT agree that Annex A shall be subject to periodical revision and replacement during term of this Agreement due to such causes as additional assignment of Trainees and change in the Training Term of Trainees. If HML deems it necessary to revise and replace Annex A, HML shall notify HMMT in advance of revision and replacement of Annex A using the form attached as Annex B, and upon written acceptance and agreement by HMMT, Annex A shall be so replaced as notified by HML.