(a) The FOIA does not authorize us to impose any restrictions on how information is used after we disclose it under that law. In applying FOIA principles, we consider whether the information will be adequately safeguarded against improper use or redisclosure. We must consider all the ways in which the recipient might use the information and how likely the recipient is to redisclose the information to other parties. Thus, before we disclose personal information we may consider such factors as—
(b) We feel that there is a strong public interest in sharing information with other agencies with programs having the same or similar purposes, so we generally share information with those agencies. However, since there is usually little or no public interest in disclosing information for disputes between two private parties or for other private or commercial purposes, we generally do not share information for these purposes.