To the first question the answer is NO, once legalized a sale can not be canceled, the Civil Procedure Law, Administrative, Labor and Economic force in Cuba only states that you can override the notarial and this before the Civil Court Administrative and Popular Provincial court when found in the home being purchased hidden defects that impair the infrastructure of the property, ie, defects are detected in the home, which were not seen before realizing the sale but were present in it and the seller was not said.

To the second question the Act does not provide any single term is set to will and rationality in the judge's decision to submit to the matter, it is not reasonable or logical to nullifying an act is legal after a year of made ​​and legalized same.