Reference for Exodus 40:32

בְּבֹאָ֞ם אֶל־אֹ֣הֶל מוֹעֵ֗ד וּבְקָרְבָתָ֛ם אֶל־הַמִּזְבֵּ֖חַ יִרְחָ֑צוּ כַּאֲשֶׁ֛ר צִוָּ֥ה יְהוָ֖ה אֶת־מֹשֶֽׁה׃ (ס)

when they went into the tent of meeting, and when they came near unto the altar, they should wash; as the LORD commanded Moses.

BDB