When absolutely necessary, leases can be terminated by law. As for land being used in violation of restrictions, you have to see whether cultivation began before the promulgation of the Soil and Water Conservation Act or after. There should be different approaches and a variety of policy options to resolve the most thorny land problems.
至於超限利用的土地，要看是水土保持法頒佈前就已耕作或是在水保法之後才耕作，應有不同的處理做法，必須用更多元的配套，來解決棘手的土地問題。