321.94  Test to determine true number.
  Where it appears that a vehicle identification number or component part number has been altered, defaced or tampered with, any peace officer, or any other person acting under a peace officer’s direction, may apply any recognized process or test to the part containing the number for the purpose of determining the true number.
[C27, 31, 35, §5083-b5; C39, §5006.23; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.94; 81 Acts, ch 103, §2]