The photo must be: in downloadable digital format. Only JPEG file format is acceptable (.jpg extension) Dimensions: 135 x 175 pixels minimum. In vertical format, it must comply with the standard for ID photos, namely a ratio of 1.3. This means that the height of the image must be equal to 1.3 times its width. The size of the file must be between 72 Kb and 643 Kb.