Numbers 18:23
But the Levites are to do the work of the Tent of meeting, and be responsible for errors in connection with it: this is a law for ever through all your generations; and among the children of Israel they will have no heritage.But the Levites are to do the work of the Tent of meeting, and be responsible for errors in connection with it: this is a law for ever through all your generations; and among the children of Israel they will have no heritage.