These DUATs are not binding for the full 50 years until after an interim two year period, when investors have to prove that they use the land productively.
Hizi si lazima zifungwe kwa miaka 50 hadi baada ya kipindi cha miaka miwili, ambapo watega - uchumi wanalazimika kuthibitisha kwamba wanatumia ardhi hiyo kwa matokeo.