Does the use of a Food Code compliant alcohol hand sanitizer replace a handwash or a non-handwash?

Handwashing with soap and warm water is always the preferred choice but handwashing is often restricted by the food worker's access to running water. This is particularly true where Ready-To-Eat foods are served at drive-up windows, on street corners, at sporting events, in airport hallways and at outdoor seating venues. The use of these sanitizers can also enhance hand hygiene at server stations.