Cross Reference DEUTERONOMY 16:4 AND THERE SHALL BE NO LEAVENED BREAD SEEN WITH THEE IN ALL THY COAST SEVEN DAYS NEITHER SHALL THERE ANY THING OF THE FLESH WHICH THOU SACRIFICEDST THE FIRST DAY AT EVEN REMAIN ALL NIGHT UNTIL THE MORNING

{Deuteronomy 16:4} And there shall be no x3808 leavened bread 7603 seen 7200 z8735 with thee in all x3605 thy coast 1366 seven 7651 days; 3117 neither x3808 shall there [any thing] of x4480 the flesh, 1320 which x834 thou sacrificedst 2076 z8799 the first 7223 day 3117 at even, 6153 remain y3885 z8799 all night x3885 until the morning. 1242

there shall:
"Sevenª daysª shall ye eatª ° unleavened bread;ª evenª the firstª dayª ye shall put awayª ° leavenª out of your houses:ª ¹ for¹ whosoever¹ eatethª ° leavened breadª from the first² dayª ¹ ¹ until¹ the seventhª day,ª that¹ soulª shall be cut² ° off¹ from Israel.ª ¹" {Exd 12:15} + "Unleavened breadª shall be eatenª °¹ sevenª days;ª and there shall no¹ leavened breadª be seenª ° with thee, neither¹ shall there be leavenª seenª ° with thee in all¹ thy quarters.ª" {Exd 13:7} + "Thou shalt not¹ offerª ° the bloodª of my sacrificeª with¹ leaven;ª neither¹ shall the sacrificeª of the feastª of the passoverª be leftª ° unto the morning.ª" {Exd 34:25}

neither:
"And ye shall let nothing¹ of¹ it remainª ° until¹ the morning;ª and that which remainethª ° of¹ it until¹ the morningª ye shall burnª ° with fire.ª" {Exd 12:10}