U.S. Passports
5cm x 5cm square within the past six months color against a light background full face The image of the head measured from the bottom of the chin to the top of the head (including hair) must be 3.5cm.
No looking down or to either side. No headcoverings and hats except due to religious beliefs. No photographs of military, airline or other personnel wearing hats. No glasses or anything which may detract from the face unless required for medical reasons. No photographs taken in front of busy, patterned or dark backgrounds