| Color | The photograph must be colored. | Black-and-white, grayscale or heavily filtered photos. |
| Background | Use a plain background with no distracting shadows or images. | Busy rooms, patterned walls, outdoor backgrounds or strong shadows. |
| Face position | Show the full face from the front, with eyes open and the applicant facing the camera directly. | Side angle, tilted head, closed eyes or cropped chin/forehead. |
| Photo dimensions | Photo size should not exceed 45mm length by 35mm width. | Incorrect proportions or scanned document margins. |
| File size | The image file should not exceed 500KB. | High-resolution files that exceed the upload limit. |
| File format | The uploaded file must be JPG or JPEG. | PNG, HEIC, PDF, Word or unsupported file formats. |
| Expression | Use a natural facial expression. | Overly expressive poses or unclear facial features. |
| Glasses | If the applicant regularly wears eyeglasses, the photo may be taken with glasses on. | Glare, dark glasses or frames hiding the eyes. |
| Head covering | Not permitted except for religious reasons, and the face must remain clearly visible. | Covering the forehead, chin, cheeks or edges of the face. |