Deuteronomy 16:2, 6, 16

And thou shalt sacrifice the passover unto Jehovah thy God, of the flock and the herd, in the place which Jehovah shall choose, to cause his name to dwell there.

but at the place which Jehovah thy God shall choose, to cause his name to dwell in, there thou shalt sacrifice the passover at even, at the going down of the sun, at the season that thou camest forth out of Egypt.

Three times in a year shall all thy males appear before Jehovah thy God in the place which he shall choose: in the feast of unleavened bread, and in the feast of weeks, and in the feast of tabernacles; and they shall not appear before Jehovah empty