II Chronicles 9:30 Halakhah

וַיִּמְלֹ֨ךְ שְׁלֹמֹ֧ה בִֽירוּשָׁלִַ֛ם עַל־כָּל־יִשְׂרָאֵ֖ל אַרְבָּעִ֥ים שָׁנָֽה׃

And Solomon reigned in Jerusalem over all Israel forty years.

Read halakhic rulings (Jewish law) on II Chronicles 9:30: and classical halakhic sources.