|   | | 
 | Sec. 29.  12 MRSA §7827, sub-§10, ķA, as enacted by PL 1997, c. 432, §53,  |  | is amended to read: |  
  |  
 
 
 |   | A.  A person may not operate a snowmobile on the statewide  |  snowmobile trail system or a public right-of-way that is  |  open to snowmobiling except at a reasonable and prudent  |  | speed for the existing conditions, including when  |  | approaching and crossing an intersection or railway grade  |  | crossing, when approaching and taking a curve, when  |  | approaching a hill crest, when traveling upon any narrow or  |  | winding trail and when a special hazard exists with respect  |  | to pedestrians, skiers or other traffic by reason of weather  |  | or trail conditions. |  
  |  
 
 
 |   |  | Sec. 30.  12 MRSA §7827, sub-§21, as enacted by PL 1979, c. 420, §1, is  |  | amended to read: |  
  |  
 
 
 |   |  | 21.  Unlawfully permitting operation.  A person is guilty of  |  unlawfully permitting operation of a snowmobile if he that person  |  owns a snowmobile and knowingly permits it to be operated that is  |  | operated by another person in violation of any section of this  |  | subchapter.  A person is guilty of unlawfully permitting  |  | operation of a snowmobile if that person is the parent or  |  | guardian responsible for the care of a minor under 18 years of  |  | age who operates a snowmobile in violation of this subchapter. |  
  |  
 
 
 |   |  | Emergency clause.  In view of the emergency cited in the preamble,  |  | this Act takes effect when approved. |  
  |  
 
  |