Aaron is to make atonement for the people once a year. One goat will be brought as a sin offering, while another will be released as a scapegoat.

When a man discharges he is unclean and so is everything he touches. when a man ejaculates he becomes unclean untill evening. when a woman has her period she is unclean as well.

If anyone is healed of leprosy they shall shave their hair and bring offering to the lord. If the house has mildews the priest shall inspect it.

The measures to be taken for defiling skin diseases were discussed. if anyone had leprosy the priest must declare them unclean they shall be isolated and their garmants shall be burnt. instructions on fabrics with molds were given.

Nadab and Abihu offered unauthorized fire to the Lord, fire consumed them and they died. Aaron remained silent for the death of his sons, then him and his other sons stayed in the tabernacle.

The priests began their ministry presenting the sin, the burnt and the fellowship offerings on the 8th day. Aaron blessed them and the glory of the lord appeared and fire consumed their offerings.

Regulations for the gifts and fellowship offerings.