; or (6) humanitarian assistance. (d) turkey (1) Prolonged detention of united states citizens in turkey The Secretary of State shall identify senior officials of the Government of Turkey with respect to whom the Secretary has credible information are knowingly responsible for the wrongful or unlawful prolonged detention of citizens or nationals of the United States currently held in Turkey: Provided , That the Secretary may not issue to any such officials a visa to enter the United States: Provided further , That the restriction in this paragraph shall not apply to individuals described in section 7031(c)(2) of this Act: Provided further , That the Secretary may waive the application of this paragraph if the Secretary determines and reports to the appropriate congressional committees that to do so is in the national interest or that the circumstances which caused the individual or individuals to be denied a visa have sufficiently changed: Provided further , That not later than 90 days after enactment of this Act, the Secretary of State shall submit to the appropriate congressional committees the report regarding Americans held under wrongful or unlawful prolonged detention in Turkey under this heading in the report accompanying this Act, in classified form if necessary. (2) Turkish presidential protection directorate None of the funds made available by this Act may be used to facilitate or support the sale of defense articles or defense services to the Turkish Presidential Protection Directorate (TPPD) under chapter 2 of the Arms Export Control Act ( 22 U.S.C. 2761 et seq.), unless the Secretary of State determines and reports to the appropriate congressional committees that members of the TPPD that are named in the July 17, 2017 indictment by the Superior Court of the District of Columbia, and against whom charges are pending, have returned to the United States to stand trial in connection with the offenses contained in such indictment or have otherwise been brought to justice: Provided , That the limitation in