וַיֹּ֕אמֶר קְרָ֥א שְׁמ֖וֹ לֹ֣א עַמִּ֑י כִּ֤י אַתֶּם֙ לֹ֣א עַמִּ֔י וְאָנֹכִ֖י לֹֽא־אֶהְיֶ֥ה לָכֶֽם׃ (ס)
And He said: ‘Call his name Lo-ammi; for ye are not My people, and I will not be yours.’
Read halakhic rulings (Jewish law) on Hosea 1:9: and classical halakhic sources.