That is that He commanded us to extract the first-fruits and bring them to the Temple. And that is His, may He be blessed, saying, "The choice first-fruits of your soil you shall bring to the house of the Lord, your God" (Exodus 23:19). And it is explained that this commandment is only practiced in the presence of the Temple and only comes from fruits of the Land of Israel, Syria and Transjordan, and from the [designated] seven species. And the regulations of this commandment have already been explained in Tractate Bikkurim. And there it is explained that the first-fruits are the property of the priest. (See Parashat Mishpatim; Mishneh Torah, First Fruits and other Gifts to Priests Outside the Sanctuary 1.)