Moratorium on the alienation of agricultural lands should theoretically operate continuously. However, there are a variety of legal loopholes that allow smart owners to circumvent the letter of the law side. Thus, there is a period in which the action preceding the moratorium has already been exhausted and the new has not yet been approved. That during such periods the most nimble of the owners strive to arrange for the unit holders have signed a contract on alienation of property. In fact this is a simple piece of paper, but the Civil Code allows you to make such a piece of paper valid document without notarial certificate. Of course, sometimes have to sue, but it's worth it.