Ezra 7:12 Halakhah

אַ֨רְתַּחְשַׁ֔סְתְּא מֶ֖לֶךְ מַלְכַיָּ֑א לְעֶזְרָ֣א כָ֠הֲנָא סָפַ֨ר דָּתָ֜א דִּֽי־אֱלָ֧הּ שְׁמַיָּ֛א גְּמִ֖יר וּכְעֶֽנֶת׃

’Artaxerxes, king of kings, unto Ezra the priest, the scribe of the Law of the God of heaven, and so forth. And now

Read halakhic rulings (Jewish law) on Ezra 7:12: and classical halakhic sources.