אֵ֣לֶּה פְקוּדֵ֔י מִשְׁפְּחֹ֖ת בְּנֵ֣י מְרָרִ֑י אֲשֶׁ֨ר פָּקַ֤ד מֹשֶׁה֙ וְאַהֲרֹ֔ן עַל־פִּ֥י יְהוָ֖ה בְּיַד־מֹשֶֽׁה׃
These are they that were numbered of the families of the sons of Merari, whom Moses and Aaron numbered according to the commandment of the LORD by the hand of Moses.
Read halakhic rulings (Jewish law) on Numbers 4:45: and classical halakhic sources.