326.2  Definitions.
  As used in this chapter, unless the context otherwise requires:
  1.  “Commercial vehicle” means any vehicle which is operated in interstate commerce or combined intrastate and interstate commerce and used for the transportation of persons for hire, compensation or profit, or designed or used primarily for the transportation of property.
  2.  “Department” means the department of transportation.
  3.  “Director” means the director of transportation or the director’s designee.
  4.  “International registration plan” or “plan” means the registration reciprocity agreement among states of the United States, the District of Columbia, and provinces of Canada providing for payment of apportionable fees on the basis of total distance operated in all jurisdictions, in effect on January 1, 2011, or as later amended, published by international registration plan, inc., and available on the plan’s internet site.
  5.  “Registration fee” means the annual motor vehicle registration fee imposed pursuant to section 321.105, unless otherwise specified.
  6.  “Trip” for purposes of section 326.23 means:
  a.  A one-way movement from one point originating outside this state and destined for another point outside this state.
  b.  A round-trip movement between two points within this state.
  c.  A round-trip movement originating in this state or destined for a point within this state.
  7.  The terms “combination” or “combination of vehicles”, “gross weight”, “highway”, “motor vehicle”, “nonresident”, “owner”, “person”, “semitrailer”, “trailer”, “truck tractor”, and “vehicle” mean as defined in section 321.1.
[C71, 73, 75, 77, 79, 81, §326.2]
2006 Acts, ch 1068, §40; 2008 Acts, ch 1113, §109; 2012 Acts, ch 1093, §17; 2013 Acts, ch 30, §71