Exodus
Chapter
Exodus relates the history of the Israelites from after the death of Joseph to the erection of the Tabernacle by Moses. The book includes an account of the wanderings in the wilderness of Sinai and the giving of the Law to the nation.
Exodus 12
12:15 Seven days shall ye eat unleavened bread; even the first day ye shall put away leaven out of your houses: for whosoever eateth leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.