Ezra 7:14

Forasmuch as thou art sent of the king, and of his seven counsellors, to enquire concerning Judah and Jerusalem, according to the law of thy God which is in thine hand;

Cross-reference

Ezra 7:25 expands on the commission, authorizing Ezra to appoint judges and teach the law.

Ezra 7:26 adds penalties for disobedience to the law, reinforcing the authority given in the commission.

Ezra 7:28 describes Ezra's thanksgiving for the king's favor — directly continuing the narrative of the commission in verse 14.

Ezra 1:3 records Cyrus's decree to rebuild the temple — another Persian king authorizing Jewish restoration, like Artaxerxes here.

Esther 1:14 lists the seven nobles of Persia, the same group advising the king in Ezra's commission.