Isaiah 22:12 Halakhah

וַיִּקְרָ֗א אֲדֹנָ֧י יְהוִ֛ה צְבָא֖וֹת בַּיּ֣וֹם הַה֑וּא לִבְכִי֙ וּלְמִסְפֵּ֔ד וּלְקָרְחָ֖ה וְלַחֲגֹ֥ר שָֽׂק׃

And in that day did the Lord, the GOD of hosts, call To weeping, and to lamentation, and to baldness, and to girding with sackcloth;

Read halakhic rulings (Jewish law) on Isaiah 22:12: and classical halakhic sources.