Leviticus 22:27
When a bullock or a sheep or a goat is born, then it shall be seven days under the dam; and from the eighth day and thenceforth it shall be accepted for an offering on fire unto the LORD.
Exodus 22:30
Likewise shalt thou do with thine oxen and with thy sheep; seven days it shall be with his dam; on the eighth day thou shalt give it to me.
Leviticus 12:2-3
Speak unto the sons of Israel, saying, If a woman has conceived seed and gives birth to a man child, then she shall be unclean seven days; according to the days of the separation for her menses shall she be unclean.
Leviticus 19:23-24
And when ye have come into the land and shall have planted all manner of trees for food, then ye shall circumcise the foreskin of the fruit; three years it shall be uncircumcised unto you; it shall not be eaten of.
Leviticus 22:25
Neither from the son of a stranger's hand shall ye offer the bread of your God of any of these because their corruption is in them and blemishes are in them; they shall not be accepted for you.