§ 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.