For a legal person or other organization's legal representative, the contract entered into by a person in charge beyond its authority shall be effective unless the counterparty knows or should know that it has exceeded its authority. Can be derived from the above text? ["The counterparty is not supposed to know and does not know that he has exceeded his authority to enter into a contract with himself, the legal representative's representative act is invalid.", "When the counterparty knows or should know that it has exceeded its authority to enter into a contract with itself, the representative person's representative acts effectively.", "When the counterparty does not know that he has exceeded his authority to enter into a contract with him, the representative of the legal person's representative acts effectively.", "The counterparty should not be aware that when he enters into a contract with himself, the representative of the legal person's representative acts effectively."]