Leviticus 6:12-14

New International Version - UK

¹² The fire on the altar must be kept burning; it must not go out. Every morning the priest is to add firewood and arrange the burnt offering on the fire and burn the fat of the fellowship offerings on it. ¹³ The fire must be kept burning on the altar continuously; it must not go out.

The grain offering

¹⁴ ‘“These are the regulations for the grain offering: Aaron’s sons are to bring it before the Lord, in front of the altar.