Posting required signage (such as warnings or license information) is:

Posting certain signage — such as the alcohol license, warnings (for example, about drinking during pregnancy, where required), or notices about checking IDs — is often legally required, and managers should ensure all mandated signs are properly displayed. Requirements vary by jurisdiction. Missing required signage can itself be a compliance violation. Beyond legal compliance, clear signage about ID policies can also support staff in enforcing the rules. Managers should know which signs their jurisdiction requires and verify they are correctly posted as part of routine compliance.