Deuteronomy 16:4; Deuteronomy 21:23

Deuteronomy 16:4

4 "For seven days no leaven shall be seen with you in all your territory, and none of the flesh which you sacrifice on the evening of the first day shall remain overnight until morning.

Deuteronomy 21:23

23 his corpse shall not hang all night on the tree, but you shall surely bury him on the same day (for he who is hanged is accursed of God ), so that you do not defile your land which the LORD your God gives you as an inheritance.