Job Recruitment Website - Immigration policy - There is a sentence in the photos of Canadian immigrants that I don't understand? Must the date be automatically recorded on the back of the photo when taking a photo?

There is a sentence in the photos of Canadian immigrants that I don't understand? Must the date be automatically recorded on the back of the photo when taking a photo?

It doesn't matter where it is, just need the photo studio to stamp a date on the back of the photo, which needs the date and the name and address of the photo studio. Chinese has little to do with English.

Stamp directly on the back of the photo (not the date when the photo was printed, but the date when the photo was taken, and labeling is not accepted).