Although use of the ESRB ratings system is not enforced by federal law in the United States, Canada, and Mexico, it is legally enforced at a provincial level in Canada.
Use of the ESRB ratings system is not enforced by federal law in the United States. Use of the ESRB ratings system is not enforced by federal law in Canada. Use of the ESRB ratings system is not enforced by federal law in Mexico. It is legally enforced at a provincial level in Canada.