Leviticus 6:9
King James Version
“Command Aaron and his sons, saying, This the law of the burnt offering: It the burnt offering, because of the burning upon the altar all night unto the morning, and the fire of the altar shall be burning in it.”
Context
6And he shall bring his trespass offering unto the LORD, a ram without blemish out of the flock, with thy estimation, for a trespass offering, unto the priest:
7And the priest shall make an atonement for him before the LORD: and it shall be forgiven him for any thing of all that he hath done in trespassing therein.
8And the LORD spake unto Moses, saying,
9Command Aaron and his sons, saying, This the law of the burnt offering: It the burnt offering, because of the burning upon the altar all night unto the morning, and the fire of the altar shall be burning in it.
10And the priest shall put on his linen garment, and his linen breeches shall he put upon his flesh, and take up the ashes which the fire hath consumed with the burnt offering on the altar, and he shall put them beside the altar.
11And he shall put off his garments, and put on other garments, and carry forth the ashes without the camp unto a clean place.
12And the fire upon the altar shall be burning in it; it shall not be put out: and the priest shall burn wood on it every morning, and lay the burnt offering in order upon it; and he shall burn thereon the fat of the peace offerings.