Je was op zoek naar: 截止本契约签署之日 (Chinees (Vereenvoudigd) - Engels)

如果其身份为一方的法定代表人、代理人或受托人，其应在签署本签约时向其他方保证，截止本契约签署之日，其具有代表该方签署本契约的完全授权。
as an authorised representative, agent or trustee of a party, warrants to the other parties that, as at the date of signing, the signatory has full authority to execute this deed on behalf of that party.

11.6.1 如果其身份为律师，其应在签署本签约时向其他方保证，截止本契约签署之日，其尚未收到其委托人撤销委托书的通知或信息；
11.6.1 as attorney, by so doing, warrants to the other parties that, as at the date of signing, the signatory has not received notice or information of the revocation of the power of attorney appointing that person; and

截至结束签署之日，共有21国签署了《协定》。
at the closing date for signature, 21 states had signed the agreement.