Numbers 15:3; Numbers 15:8

3 and you offer to the LORD from the herd or from the flock a food offering or a burnt offering or a sacrifice, to fulfill a vow or as a freewill offering or at your appointed feasts, to make a pleasing aroma to the LORD,

8 And when you offer a bull as a burnt offering or sacrifice, to fulfill a vow or for peace offerings to the LORD,