Visa Applicants Europe Embassy. The Rome District Chapter informs of two situations where applicant have been turned away at the U.S. Embassy London. These types of applicants were being turned away which could affect the applicant from future use of the Visa Waiver Program. U.S. law generally requires visa applicants to be question by a valid officer at a U.S. Embassy or Consulate. After material information is discuss, the application is accept or denied, based on standards set in U.S. law while the vast majority of visa applications are accept U.S. law sets out many standards under which a visa application may be denied. The applicant falls within the scope of one of the inadmissibility or ineligibility grounds of the law. If denied a visa, in most cases the applicant is notified of the section of law which applies.