Signs You Have Food Poisoning Cramps in your stomach and gut, diarrhea, and vomiting may start as early as 1 hour after eating tainted food and as late as 10 days or longer. It depends on what is causing the infection.
However, a farmer driving a commercial motor vehicle with double or triple trailers or designed to carry or actually carrying 16 or more passengers must have a CDL with proper endorsements.
Commercial driver licenses (CDL) are required to operate vehicles that: 1  Carry hazardous materials that require placarding under federal law.  Are designed or used to carry 16 or more persons including the driver (buses and some school buses).