Do not leave the meat of the Passover lamb of the 14th until the 16th

"For seven days no leaven shall be seen with you in all your territory, and none of the flesh which you sacrifice on the evening of the first day shall remain overnight until morning.

Hebrew

ד וְלֹא-יֵרָאֶה לְךָ שְׂאֹר בְּכָל-גְּבֻלְךָ, שִׁבְעַת יָמִים; וְלֹא-יָלִין מִן-הַבָּשָׂר, אֲשֶׁר תִּזְבַּח בָּעֶרֶב בַּיּוֹם הָרִאשׁוֹן--לַבֹּקֶר.

Greek

4 οὐκ ὀφθήσεταί σοι ζύμη ἐν πᾶσι τοῖς ὁρίοις σου ἑπτὰ ἡμέρας, καὶ οὐ κοιμηθήσεται ἀπὸ τῶν κρεῶν, ὧν ἐὰν θύσῃς τὸ ἑσπέρας τῇ ἡμέρᾳ τῇ πρώτῃ, εἰς τὸ πρωί.

• Parashah: Re'eh
• Sefer HaChinuch: 486
• Mishneh Torah: Sacrifices — The Pesach Sacrifice

• Deuteronomy 16:4

Enumeration and classification from BibleData. The Greek is the Septuagint reading of the same verse, carried by the source for comparison.