The purpose of this research is to know the efforts of settlement and strategy to prevent the existance of power of attorney in the sale and purchase of land, and to know the judge’s consideration in determining the decision and the legal effect of the decision. Normative juridicial approach method. The type of research is descriptive. Methods of data collection of literature study. The method of data analysis is qualitative. That the notary is basically irresponsible to the existance of a power of attorney during the formal form of the document data is the same as the letter of proxy, and notary as the official authorized to make the deed only authorized to match formally not material. Notary is prohibited to find out or investigate material reason filled by the applicant
