Psalms 135:19 Halakhah

בֵּ֣ית יִ֭שְׂרָאֵל בָּרֲכ֣וּ אֶת־יְהוָ֑ה בֵּ֥ית אַ֝הֲרֹ֗ן בָּרֲכ֥וּ אֶת־יְהוָֽה׃

O house of Israel, bless ye the LORD; O house of Aaron, bless ye the LORD;

Read halakhic rulings (Jewish law) on Psalms 135:19: and classical halakhic sources.