Exo 12:15, Num 9:13 | ESV | STEP | Seven days you shall eat unleavened bread . On the first day you shall remove leaven out of your houses , for if anyone eats what is leavened , from the first day until the seventh day , that person shall be cut off from Israel .

a ch. 13:6, 7; 23:15; 34:18, 25; Lev. 23:6; Num. 28:17; Deut. 16:3, 8; [1 Cor. 5:7, 8]

Exodus 12:15

15 ^aSeven days you shall eat unleavened bread. On the first day you shall remove leaven out of your houses, for if anyone eats what is leavened, from the first day until the seventh day, ^bthat person shall be cut off from Israel.

Numbers 9:13

13 But if anyone who is clean and is not on a journey fails to keep the Passover, ^cthat person shall be cut off from his people because he did not bring the Lord’s ^doffering at its appointed time; that man shall bear his sin.