wichita.edu
…been unhooked from the towing vehicle are considered to be in a state of mobile readiness so long as the towing vehicle remains reasonably close by and the trailer is in working order for towing (no flat tires, etc). Permanent utilities (e.g., plumbing, gas, electrical, water) may not be attached to the food truck at any time. At no time during operation…
https://www.wichita.edu/services/foodtrucks/terms-conditions.php