The Burnt offering: Required to Be: Offered by Priests Only
Source: TTT
Leviticus 1:9
The entrails and legs must be washed with water, and the priest shall burn all of it on the altar as a burnt offering, an offering made by fire, a pleasing aroma to the LORD.
Ezekiel 44:15
But the Levitical priests, who are descended from Zadok and who kept charge of My sanctuary when the Israelites went astray from Me, are to approach Me to minister before Me. They will stand before Me to offer Me fat and blood, declares the Lord GOD.