Deuteronomy 16:5

"You must not sacrifice the Passover in just any of your cities that the LORD your God is about to give you.

Instead, you must seek to enter only the place that the LORD your God will choose among your tribes. There he will establish his name and live.

Then sacrifice sheep and cattle for the Passover to the LORD your God at the place where the LORD your God will choose to establish his name.

Treasury of Scripture Knowledge

Thou mayest not sacrifice the passover within any of thy gates, which the LORD thy God giveth thee:

Then sacrifice sheep and cattle for the Passover to the LORD your God at the place where the LORD your God will choose to establish his name.

Instead, you must seek to enter only the place that the LORD your God will choose among your tribes. There he will establish his name and live.

Don't leave any of it until morning, and whatever does remain of it until morning you are to burn in the fire.