Read this: Consent is also invalid if it is given by a representative who ignored restrictions he is subject to by his sovereign during the negotiations, if the other parties to the treaty were notified of those restrictions prior to his signing.[citation needed]

If a state's representative ignored restrictions he is subject to by his sovereign, what might that state's consent to a treaty be considered to be?
What is the answer? (If it cannot be answered, return "unanswerable")
invalid