State law addresses food service worker training but not required, or requires training that does not meet the level of the USDA professional standards.
Iowa Code 283A.4 Administration of program.
he director may give technical advice and assistance to any school board in connection with the establishment and operation of any school breakfast or lunch program and may assist in training personnel engaged in the operation of the program.
Professional Standard - Continuing Education/Training Requirements
List of ongoing training requirements for food service staff