I believe they are on the card you will receive (or already have received). You receive 2 wishes per person per night, however I found out that you can use them at any time during your stay. In other words, if you don't use any wishes on a particular day, you won't lose them; they will carry over. I remember reading a post saying that if you are at a restaurant you just tell the server to deduct the meal(s) using the wishes on your card. And also, just because you use wishes for your meal doesn't mean your partner has to use his wishes for that meal. Don't forget, you can use the wishes for other entertainment/activities, not just meals! It seems like a pretty flexible plan. My husband and I have the Silver Plan for our trip this September and we can't wait!
-Laura