וַיְהִ֗י כַּאֲשֶׁ֤ר נִבְנְתָה֙ הַחוֹמָ֔ה וָאַעֲמִ֖יד הַדְּלָת֑וֹת וַיִּפָּֽקְד֛וּ הַשּׁוֹעֲרִ֥ים וְהַמְשֹׁרְרִ֖ים וְהַלְוִיִּֽם׃
Now it came to pass, when the wall was built, and I had set up the doors, and the porters and the singers and the Levites were appointed,
Read halakhic rulings (Jewish law) on Nehemiah 7:1: and classical halakhic sources.