Deuteronomy 16:4-5 There shall not be seen by you any yeast in all your boundaries for seven days, and you shall not go to bed with any of the meats, which ever you should have sacrificed in the evening, left over the first day in the morning.

ABP_Strongs⁽ⁱ⁾

4 G3756 There shall not G3708 be seen G1473 by you G2219 any yeast G1722 in G3956 all G3588 G3725 your boundaries G1473 G2033 for seven G2250 days, G2532 and G3756 you shall not G2837 go to bed G575 with any G3588 of the G2907 meats, G3739 which G302 ever G2380 you should have sacrificed G3588 in the G2073 evening, G3588 left over the G2250 [²day G3588 G4413 ¹first] G1519 in G4404 the morning.

5 G3756 You shall not G1410 be able G2380 to sacrifice G3588 the G3957 passover G1722 in G3762 any one G3588 G4172 of your cities G1473 G3739 which G2962 the lord G3588 G2316 your God G1473 G1325 gives G1473 to you;