Unless specifically stated to the contrary in field 77D Terms and Conditions, the foreign currency option being confirmed by this message conforms with the International Currency Options Market Terms and Conditions (ICOM Terms and Guide), which are in effect at the time the original contract is established.
If the underlying contract is amended/cancelled on a bilateral basis, this should be agreed upon by a bilateral exchange of confirmations with either code AMEND or CANCEL, respectively.
Changes to the amount, and/or strike price, and/or premium price, and/or exercise date and/or settlement information require another confirmation.