Knowledge on how to capture a photograph according to the rules set by the authorities is a must when applying for permission to enter Mexico. The requirements on clarity, dimensions, and background should be strictly adhered to while preparing the application materials for Mexico tourist card application procedure.
Are glasses or head coverings allowed in Mexico SAE photos?

In case you need to provide official document pictures for Mexico and even for the processes that take place via governmental institutions, wearing glasses is not permitted because it may reflect on the lenses of your eyes and cause their obscurity. Another thing that you must not do is cover your head in any way because it may cover your hair line, ears, or your facial expressions. However, the one exception to it is when you have certain religious or medical reason for covering your head.
What background is accepted for Mexico SAE photos?

When taking a picture for the Mexico SAE (Sistema de Autorización Electrónica) or visa, it is required that the background is entirely plain, consistent, and pure white. There shouldn’t be any type of pattern, texture, color, or design in the background. Moreover, there must not be any shadow, object, or another person present behind you in the picture. This would make sure that the lighting in the picture is even, resulting in an entirely white background.
Can I use a selfie for the Mexico SAE photo requirement?
No, you are not allowed to submit a selfie picture. According to the Mexico SAE Photo Requirements, your photo should be a professional photograph similar to a passport photo. This means that your photo should be a relatively recent colored photo (3.5 x 4.5 cm) which should be taken against a plain white background. You are supposed to have a neutral expression on your face while looking straight into the camera without any glasses, hat or other accessories on your face.