If you are over 60, you are eligible for the DIF and INAPAM cards in Mexico. These are Mexicoâs senior discount cards and they can help you save a lot of money. DIF is the State card. Each State in Mexico has slightly different requirements and sometimes the requirements change from one visit to the next. DIF stands for Plan Venerable a Los Adultos Mayores. In English that translates to: Venerable Plan for Older Adults. INAPAM Card. For several months the DIF card was the only one available at the DIF office.