If during the execution of the contract reached other agreements have the force of a contract, the agreement involved to arrive at a time in which priority. If the drawings and text when there is a contradiction between the text shall prevail.
If during the execution of the contract entered into other agreements with a validity of the contract, the agreement relates to the content in order to reach the time in the latter takes precedence. Places text shall prevail if the drawing and text contradictory.
If the contract is executed in the process of the contract, the agreement is to reach the time in the latter priority. If there is contradiction between the drawings and the text, the text is the standard.