Exodus 13:5-7

And it shall be when the LORD shall bring thee into the land of the Canaanites, and the Hittites, and the Amorites, and the Hivites, and the Jebusites, which he sware unto thy fathers to give thee, a land flowing with milk and honey, that thou shalt keep this service in this month.

When the Lord shall bring thee. The feast of unleavened bread х matsot (H4682)] in connection with the passover, which had been previously instituted, is here announced as a pemanent festival of the Israelites. It was, however, only a prospective observance: we read of only one celebration of the Passover during the protracted sojourn in the wilderness; but on their settlement in the promised land, the season was hallowed as a sacred anniversary, in conformity with the directions, the principal portions of which only are here repeated.