Return to Resources Alcohol should always be consumed responsibility – and only by those of legal drinking age. To help servers, bartenders and others who serve alcohol serve the product only to those of legal drinking age, NBWA has created “We I.D. Cards.” These pocket-sized cards give tips for checking driver’s licenses for signs of tampering and falsity and provide useful tips for determining if the license belongs to the individual ordering a drink in a bar or restaurant or purchasing the alcohol in a grocery or convenience store.