THIS is part of one of the secret agreements in this deal....
"VIENNA (AP) — Iran will be allowed to use its own inspectors to investigate a site it has been accused of using to develop nuclear arms, operating under a secret agreement with the U.N. agency that normally carries out such work, according to a document seen by The Associated Press."
AP Exclusive: UN to let Iran inspect alleged nuke work site - Yahoo News
It just gets better !!!