"While the AAO does not have jurisdiction directly over the denial of an adjustment application, the AAO does have jurisdiction over the denial of most waiver applications. And in the AAO’s view, appellate jurisdiction to determine whether someone should have been granted a waiver necessarily includes jurisdiction to decide whether that applicant even needed a waiver in the first place. If the AAO finds that a waiver was unnecessary, it will dismiss the waiver appeal and remand for further processing of the adjustment application. That is, it will decide on appeal that the applicant was not, in fact, inadmissible, and thus in effect will have reviewed the denial of the underlying adjustment application even without regard to whether a waiver would be justified if one were indeed necessary. Although this process does not appear to be documented in any precedential AAO decision, comparatively few AAO precedent decisions of any sort having been published, this exercise of indirect appellate jurisdiction by the AAO occurs with some frequency in non-precedential, “unpublished” decisions that have been made available online (generally by USCIS itself, or occasionally by other sources)." - David A. Isaacson, Aug. 5, 2013.