Exodus 12:19-21

Complete Jewish Bible

¹⁹ During those seven days, no leaven is to be found in your houses. Whoever eats food with hametz in it is to be cut off from the community of Isra’el — it doesn’t matter whether he is a foreigner or a citizen of the land. ²⁰ Eat nothing with hametz in it. Wherever you live, eat matzah.’”

(v) ²¹ Then Moshe called for all the leaders of Isra’el and said, “Select and take lambs for your families, and slaughter the Pesach lamb.