For diners coping with coeliac/celiac disease or another medical condition necessitating a strict gluten-free diet.
The translated wording on these cards is:
Dietary alert card
I have an allergy/intolerance to gluten, wheat, rye, barley, oats, soy sauce and all the derivatives. Eating foods, sauces or garnishes containing these ingredients will make me ill. Can you assist me in making my choice from your menu?