Iowa StatutesCHAPTER 148A - PHYSICAL THERAPY148A.1 - DEFINITIONS -- REFERRAL -- AUTHORIZATION.148A.2 - WHO ENGAGED IN PRACTICE.148A.3 - PERSONS NOT INCLUDED.148A.4 - REQUIREMENTS TO PRACTICE.148A.5 - LIMITATIONS.148A.6 - PHYSICAL THERAPIST ASSISTANT.148A.7 - FALSE USE OF TITLES PROHIBITED.