Footnotes
1.
I.e., Eretz Yisrael. In Hilchos Shemittah V'Yovel 11:1, the Rambam rules that even if one violates this prohibition and sells the land, the transaction has no legal value and the land remains in the possession of the previous owner. Both the buyer and the seller nevertheless transgress this prohibition.
2.
Lev. 25:23.
3.
29ff.