A: Will you look at this form? B: Are you having problems with it? A: I don't understand some things. B: Let me help you. A: What does "MI" mean? B: "MI" stands for Middle Initial. A: What does "MM/DD/YY" mean? B: That means Month/Day/Year. Use numbers. A: I don't understand. B: For example, if your birth date is January 12, 1987, write 01/12/87. A: Oh. That's simple enough. B: Always print clearly, and fill in the bubbles completely.