Exodus 12:47

⁶You shall keep it until the fourteenth day of the same month; and the whole assembly of the congregation of Israel shall kill it at evening.

¹³But the man who is clean, and is not on a journey, and fails to keep the Passover, that soul shall be cut off from his people. Because he didn’t offer the offering of the LORD in its appointed season, that man shall bear his sin.

³Speak to all the congregation of Israel, saying, ‘On the tenth day of this month, they shall take to them every man a lamb, according to their fathers’ houses, a lamb for a household;