When taking a digital passport photos, there are certain rules to follow. The Digital Passport Photos Size must be 45x35mm. The chin gap and the top of the head must be between 29mm and 34mm. The photo must be squared to reveal the upper shoulder. The photo must have been taken within the last 30 days before applying. The photo's background should be cream or light grey. Only religious or medical reasons are required to wear headgear. The eyes should be clear and open at all times. Prescription glasses are permitted as long as the eyes can be seen clearly. Face expression should be neutral. Smile as little as possible.