Ezra 5:7 Halakhah

פִּתְגָמָ֖א שְׁלַ֣חוּ עֲל֑וֹהִי וְכִדְנָה֙ כְּתִ֣יב בְּגַוֵּ֔הּ לְדָרְיָ֥וֶשׁ מַלְכָּ֖א שְׁלָמָ֥א כֹֽלָּא׃ (ס)

they sent a letter unto him, wherein was written thus: ‘Unto Darius the king, all peace.

Read halakhic rulings (Jewish law) on Ezra 5:7: and classical halakhic sources.