And Nadab and Abihu, the sons of Aaron, each of them took his censer, and put fire in it, and laid incense on it, and offered strange fire before LORD, which he had not commanded them.
And Aaron shall make atonement upon the horns of it once in the year, with the blood of the sin-offering of atonement. Once in the year he shall make atonement for it throughout your generations. It is most holy to LORD.