Foods not eaten during Passover. Chametz typically includes leavened bread or any food that contains wheat, rye, barley, oats, or spelt, unless production has been supervised to ensure that it has not leavened.
These are the records of the Tabernacle, the Tabernacle of the Pact, which were drawn up at Moses' bidding--the work of the Levites under the direction of Ithamar son of Aaron the priest. - Exodus 38:21
Moses then convoked the whole Israelite community and said to them: "These are the things that the Eternal has commanded you to do." - Exodus 35:1