Abstract :
The purpose of this study was to determine the legal consequences and causative factors which lead the construction of land sale and purchase deed was not in accordance with procedures based on analysis of the Supreme Court's decision number-967K/Pdt/2010. In this case it is known that the factor that cause the land dispute is due to PPAT did not pre-check at the Land Office regarding the suitability of land rights certificate, the construction of PPAT deed was not attended by the parties who carried out the concerned legal act and was not witnessed by at least two witnesses who, according to the provisions of prevailing regulations, and did not read the deed to the concerned parties. With regards to the case that the construction of land sale and purchase deed was not in accordance with related procedure, it is necessary to receive legal consequences in the form of: PPAT can be dishonorably dismissed from his position and subject to administrative sanctions without reducing the possibility of being sued for compensation by parties who suffer losses and resulted in the degradation of the power of proof becomes a private deed because it does not meet the requirements determined by law and or other regulations.