2 Chronicles 30:17
For many in the convocation which consecrated not themselves: and the Levites for slaughtering the passover to all not being cleansed to consecrate to Jehovah.
2 Chronicles 29:34
Only the priests were for fewness and they could not slaughter all the burnt-offerings: and their brethren the Levites will strengthen them till the finishing of the work, and till the priests shall consecrate themselves: for the Levites being upright of heart to consecrate themselves more than the priests.
Exodus 12:6
And it shall be to you for a preservation till the fourteenth day of this month; and they shall slaughter it, all the convocation of the assembly of Israel, between the two evenings.
2 Chronicles 35:3-6
And he will say to the Levites causing to all Israel to understand, being consecrated to Jehovah, Ye shall give the holy ark into the house which Solomon son of David, king of Israel built: not to you a lifting up upon the shoulder: now serve ye Jehovah your God and his people Israel.