Multiple Amend requet

Imported from previous forum

[ original email was from Vivien Lee - vivien.wm.lee@ing-barings.com ]
In D17 of the order change matrix, there’re two cance/amend requests. what if I want to accet the second cancel/amend request but not the first one.

What should I send in the ClOrdID field?

Execution(Z,X)? Since I don’t accet the first cancel/requst, i will still be using ClOrdID=X.
Or Is it valid to accept the second cance/amend, but not the first one?

Thanks in advance,