Iowa Code § 279.14A

If a school district requires an employee to participate in a particular professional development program, including a program that is included on the list developed by the department of education pursuant to section 256.9, subsection 67, the school district shall provide notice to the employee indicating the section of the Code, or rules adopted by the state board of education or the board of educational examiners, the school district determines requires the employee to participate in the professional development program.