2017 New York Laws
GOB - General Obligations
Article 18 - Safety in Skiing Code
18-105 - Duties of Skiers.

 18-105. Duties  of  skiers.  All  skiers  shall  have  the following
  duties:
1. Not to ski in any area not designated for skiing;
2. Not to ski beyond their limits or ability to overcome variations in
  slope, trail configuration and surface or  subsurface  conditions  which
  may  be caused or altered by weather, slope or trail maintenance work by
  the ski area operator, or skier use;
3. To abide by the directions of the ski area operator;
4. To remain in constant control of speed  and  course  at  all  times
  while  skiing  so  as  to  avoid contact with plainly visible or clearly
  marked obstacles  and  with  other  skiers  and  passengers  on  surface
  operating tramways;
5. To familiarize themselves with posted information before skiing any
  slope or trail, including all information posted pursuant to subdivision
  five of section 18-103 of this article;
6. Not to cross the uphill track of any surface lift, except at points
  clearly designated by the ski area operator;
7.  Not  to  ski  on a slope or trail or portion thereof that has been
  designated as "closed" by the ski area operator;
8. Not to leave the scene of any accident resulting in personal injury
  to another party until such times as  the  ski  area  operator  arrives,
  except for the purpose of summoning aid;
9.  Not to overtake another skier in such a manner as to cause contact
  with the skier being overtaken and to  yield  the  right-of-way  to  the
  skier being overtaken;
10. Not to willfully stop on any slope or trail where such stopping is
  likely to cause a collision with other skiers or vehicles;
11.  To  yield  to  other  skiers  when  entering  a trail or starting
  downhill;
12. To wear retention straps or other devices to prevent runaway skis;
13. To report any personal injury to  the  ski  area  operator  before
  leaving the ski area; and
14.  Not  to  willfully  remove,  deface,  alter  or  otherwise damage
  signage, warning devices or implements, or other safety  devices  placed
  and  maintained by the ski area operator pursuant to the requirements of
  section 18-103 of this article.