257.22  Statutes applicable.
  The director of revenue shall administer the instructional support income surtax imposed under this chapter, and sections 422.4, 422.20, sections 422.22 to 422.31, sections 422.68, 422.70, and sections 422.72 to 422.75 shall apply with respect to administration of the instructional support income surtax.
89 Acts, ch 135, §22
; 
2003 Acts, ch 145, §286
; 
2009 Acts, ch 60, §1