shall take such steps as may be necessary to ensure each of the following with respect to passenger screening: (1) The prohibition on human viewing of individual passenger images. (2) The prohibition on retention of individual passenger image data. (3) That passengers are provided with an alternative to advanced imaging technology scans. (4) That pat-downs of passengers are required to be conducted by an officer of the gender requested by the passenger. (5) That each passenger is provided with the option of a private screening in an area with a mirror and with the witness of the passenger’s choice. (6) That passengers are not required to lift or remove clothing exposing sensitive areas of the body or to remove prostheses unless no less intrusive screening method is available and the passenger is provided with visual privacy via a drape or other means in a private screening area. (7) That pat-downs or other secondary screening measures shall be no more intrusive than necessary to resolve an alarm or other concern raised by primary screening (including consideration of less intrusive alternatives such as a self pat-down with explosive trace detection, a limited pat-down, or canine detection and consideration of the sensitivity of the groin, chest, and other body areas and the sensitivity of religious articles of faith, including religious headwear). (8) The prohibition of profiling or other discrimination on the basis of race, color, national origin, religion, age, disability, genetic information, parental status, or sex (including on the basis of sexual orientation or gender identity). 4. Report on Screening Equipment (a) Study Not later than 180 days after the date of the enactment of this Act, the Administrator shall conduct a study on the cost and feasibility of retrofitting advanced image technology screening equipment, or of developing new such equipment, with the capability to distinguish between foreign objects and human body parts (including hair) in a manner that is effectively gender neutral or which