Legal Certainty in the Cooperation Agreement of Transportation Business Legalized by Notary Public

Terms of operation of public passenger transportation business in Indonesia is a company in the form of a legal entity. That is as the provisions of Article 139 paragraph (3) of Law No. 22 of 2009 concerning Traffic and Transportation. This has a juridical kosekuensi for individuals who provide public transportation services must join a transportation company incorporated in the law and reverse the name on the motor vehicle of his own to be in the name of a company incorporated, as if the vehicle belongs to the company. This study aims to analyze the achievement of legal certainty over the rights of motor vehicle owners in the cooperation agreement of transportation. The research method used is normative juridical and empirical juridical research methods, using statute approach, case approach and sociological approach the results show that the agreement under the hand can be denied by the signer. The agreement under the hands registered to the notary will be strong in its evidentiary value if no party disputes the truthfulness of the agreement. Notary public who make the deed can be held accountable for the contents of the agreement if in the making before the notary, but if the letter is made not before the notary, the notary can only provide information in accordance with procedural and capacity authorized to register the agreement under the hands.