Exodus 12:19

12:19 For seven days yeast must not be found in your houses, for whoever eats what is made with yeast – that person will be cut off from the community of Israel, whether a foreigner or one born in the land.

Exodus 22:7-8

22:7 “If a man gives his neighbor money or articles for safekeeping, and it is stolen from the man’s house, if the thief is caught, he must repay double. 22:8 If the thief is not caught, then the owner of the house will be brought before the judges to see whether he has laid his hand on his neighbor’s goods.