Just. A. Minute. That is what JAM Card stands for and that is what it gives you - just as much time and patience as you need in public or social situations.
You can show your JAM Card while you are shopping, ordering food, visiting a bank, using public transport and much, much more. As long as the business in question is JAM Card Friendly, they will know what your cards means. It’s a simple idea that makes a big difference.