II Kings 14:8 Halakhah

אָ֣ז שָׁלַ֤ח אֲמַצְיָה֙ מַלְאָכִ֔ים אֶל־יְהוֹאָ֨שׁ בֶּן־יְהוֹאָחָ֧ז בֶּן־יֵה֛וּא מֶ֥לֶךְ יִשְׂרָאֵ֖ל לֵאמֹ֑ר לְכָ֖ה נִתְרָאֶ֥ה פָנִֽים׃

Then Amaziah sent messengers to Jehoash, the son of Jehoahaz son of Jehu, king of Israel, saying: ‘Come, let us look one another in the face.’

Read halakhic rulings (Jewish law) on II Kings 14:8: and classical halakhic sources.