VISAS
Minors
Please request an appointment well in advance as indicated in "How to Apply."
One parent should appear in person on the day of the appointment with the minor if on the day of the appointment he/she is 7 years of age or older.
Children 6 years of age or under are NOT required to appear in person. Instead the parent should bring a color photograph following these guidelines:
Show the applicant facing straight forward, looking neither down nor to the side, with applicant's head centered in the frame and applicant's ears exposed.
2 by 2 inches (roughly 50 mm square) with the head centered in the frame.
The applicant's head (measured from top of the hair to the bottom of the chin) must measure 2.5 cm to 3.5 cm; the applicant's eye level must be 2.8 cm to 3.5 cm from the bottom of the photo.
Printed on a white background without borders. Colored or patterned backgrounds are unacceptable.
Taken within the last six months.
Stapled or glued to the DS-156. If stapled, staples cannot touch the applicant's face.
Example: 
Regardless of the situation, the following documents should be presented:
Both parents’ visas, if available.
The minor’s passport with a minimum validity of six months after the date of the appointment.
Original or certified copy of the minor’s birth certificate.
Documents to prove the financial solvency and ties to Mexico of the parents as explained in Tourist & Business Visas, as the children qualify through the parents. The Visa Application Form (DS-156) must be filled out on the Internet, and all pages (including the bar code) printed, before coming for the interview. For boys 16 or older: the Supplemental Visa Application (DS-157), filled out on the Internet using the computer and printed before coming for the interview. The Banamex bank receipt in the amount of:
The peso equivalent of $13.00 dollars *Only if one of the parents has a Laser Visa or a Machine Readable Visa, or if either parent is applying for a visa.* The minor can apply for a visa that would expire in 10 years or when the minor reaches the age of 15, whatever comes first – Example: if your child is 3 years old, his/her visa would expire when he becomes 13; if your child is 12 years old, the visa would expire when he turns 15.
The peso equivalent of $131 dollars to apply for a visa expiring in 10 years, regardless of the minor’s age. – Example, if your child is 12 years old, the visa would expire when he turns 22 years of age.
For more information, please see "How to Apply."