540 CMR 26.04
Compliance
A vehicle shall be deemed in compliance if the Registrar is satisfied that during the period
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between May 15 and October 15 of any year, the plow and the hitching mechanism used with
the plow have been removed, except that vehicles equipped with an apparatus that allows the
hitching mechanism to be folded flat leaving no protruding surfaces extending beyond the plow
frame, shall only be required to have the plow itself removed. For purposes of 540 CMR 26.00,
if an examiner from the Vehicle Services Section of the Registry of Motor Vehicles determines
that any portion of a hitching mechanism, (defined as the lift cylinder and lift arm) extends
beyond the vertical plane of the forward portion of the plow frame, the hitching mechanism is
deemed to protrude and the vehicle is not in compliance. An examiner’s use of a plumb line or
a vertical straight edge shall provide satisfactory proof of compliance or non-compliance.