THE DEATH OF NADAB AND ABIHU

Now Nadab and Abihu, the sons of Aaron, took their respective [ceremonial] censers, put fire in them, placed incense on it and offered strange (unauthorized, unacceptable) fire before the LORD, [an act] which He had not commanded them to do.
And fire came out from the presence of the LORD and devoured them, and they died before the LORD.

THE LORD ACCEPTS AARON’S OFFERING

The Lord accepts Aaron’s offering. And it happened on the eighth day that Moses called Aaron and his sons and the elders of Israel; his sons and the elders of Israel; and he said to Aaron, “Take a bull calf as a sin offering and a ram as a burnt offering, [each] without blemish, and offer both before the LORD.

THINGS FORBIDDEN AND THE PORTION FOR THE PRIESTS

Things forbidden and the portion for the priests. Then the LORD spoke to Moses, saying,
“Speak to the children of Israel, saying, ‘You shall not eat any fat from an ox, a sheep, or a goat. Moreover, you are not to eat any blood [of any kind], whether of bird or animal, in any of your dwelling places.

LAW OF THE PEACE OFFERING

Law of the peace-offering. ‘Now this is the law of the sacrifice of peace offerings which shall be presented to the LORD: If one offers it as a sacrificial meal of thanksgiving, then along with the sacrifice of thanksgiving he shall offer unleavened cakes mixed with oil, and unleavened wafers spread with oil, and cakes of fine flour mixed with oil.

LAW OF THE BURNED OFFERING

Law of the burned-offering. “Command Aaron and his sons, saying, ‘This is the law of the burnt offering: the burnt offering shall remain on the hearth that is on the altar all night until morning and the fire is to be kept burning on the altar.