premise: The Receiving Party shall return information provided to it any time upon request and, at SINTEC's option, promptly return it to SINTEC once and for all at no charge, or destroy it without retaining any copies or records thereof. 5.2  No reproductions may be made of the information disclosed by SINTEC.  SINTEC will consider the possibility of granting prior, express, written consent to reproduce information in exceptional cases only and subject to revocation at any time.  At SINTEC's request, the Receiving Party shall return or destroy any reproductions as stipulated in 5.1. 5.3  The Receiving Party shall return to SINTEC any and all information disclosed by SINTEC as well as any copies thereof automatically upon termination/expiration of the business relation- ship.