| Federal visa guidelines | Minimum 32 × 26 mm; maximum 39 × 31 mm | National legal baseline in its published order |
| Mexican Embassy in Italy | 32 × 26 mm or 39 × 31 mm; white background | Current local consular implementation |
| Mexican Embassy in the Netherlands | 35 × 45 mm; within 30 days; no digital manipulation | Stricter local size, age, and alteration rule |
| Mexican Embassy in Japan | 30 × 40 mm; colour, front view, white background | Another current official local size |
| Brazil electronic visa | JPG, JPEG, or PNG; under 1.5 MB; white background | Current nationality-specific online route |
| Generic electronic framework | JPG, JPEG, or PNG; 2–5 MB; white background | Do not use when the live route publishes another limit |