Context: 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]

Question: What must be true of the ignored restrictions placed on a representative by his sovereign in order for a state's consent to a treaty to be considered invalid?

Answer: the other parties to the treaty were notified of those restrictions prior to his signing