Numbers 15:1-3

And Jehovah spake unto Moses, saying, Speak unto the children of Israel, and say unto them, When ye are come into the land of your habitations, which I give unto you, and will make an offering by fire unto Jehovah, a burnt-offering, or a sacrifice, to accomplish a vow, or as a freewill-offering, or in your set feasts, to make a sweet savor unto Jehovah, of the herd, or of the flock