Exodus 12:19 YLT

¹⁷  and ye have observed the unleavened things, for in this self-same day I have brought out your hosts from the land of Egypt, and ye have observed this day to your generations -- a statute age-during.

¹⁸  'In the first 'month', in the fourteenth day of the month, in the evening, ye do eat unleavened things until the one and twentieth day of the month, at evening;

¹⁹  seven days leaven is not found in your houses, for any 'one' eating anything fermented -- that person hath been cut off from the company of Israel, among the sojourners or among the natives of the land;

²⁰  anything fermented ye do not eat, in all your dwellings ye do eat unleavened things.'

²¹  And Moses calleth for all the elders of Israel, and saith unto them, 'Draw out and take for yourselves 'from' the flock, for your families, and slaughter the passover-sacrifice;