Leviticus 4:4

Lev 4:4 And he shall bring the bullock unto the door of the tabernacle of the congregation before the LORD; and shall lay his hand upon the bullock’s head, and kill the bullock before the LORD.

Ver. 4. Shall lay his hand. ] Confessing his sin, Lev 5:5 and professing his faith in Christ, the true sin offering. 2Co 5:21