Rule 14.17. Trick desriptions

a) [...]
Tricks are only credited if at the end of the trick the weight of the skier is fully supported by his ski or skis.
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d) From each Trick group (Trick groups A – G as per Appendix 1) a maximum number of 8 tricks on one ski and 8 tricks on two skies shall be scored.
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Rule 14.18. Scoring

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To be considered for placement and receive overall points, the skier must have started a score of more than 0 points.