Iowa StatutesCHAPTER 327B - REGISTRATION OF CARRIER AUTHORITY327B.1 - AUTHORITY SECURED AND REGISTERED.327B.2 - ENFORCEMENT.327B.3 - FEES -- USE.327B.4 - PRIVATE CARRIERS EXEMPT.327B.5 - PENALTY.327B.6 - INSURANCE OR BOND.327B.7 - RECIPROCITY FOR EXEMPT COMMODITY BASE STATE REGISTRATION SYSTEM.