Je was op zoek naar: 他有代表他的律师 (Chinees (Vereenvoudigd) - Engels)

他有代表他的律师。
he is represented by counsel.

所以，委员会认为，提交人的律师是按其当事人的批示行事，因此是合法地代表他。
the committee therefore considers that the author's counsel is acting in accordance with the instructions of the principal and, therefore, legitimately represents him.