Numbers 29:12-14

12"On the fifteenth day of the seventh month you shall have a holy convocation. You shall not do any ordinary work, and you shall keep a feast to the Lord seven days.

13And you shall offer a burnt offering, a food offering, with a pleasing aroma to the Lord, thirteen bulls from the herd, two rams, fourteen male lambs a year old; they shall be without blemish;

14and their grain offering of fine flour mixed with oil, three tenths of an ephah for each of the thirteen bulls, two tenths for each of the two rams,