An updated version of the Competition Rules for IOF Ski Orienteering Events was approved by the IOF Council at their meeting October 16 and 17. The new version of the rules, which is valid from November 1, 2015, has been published on http://orienteering.org/ski-orienteering/rules/ for download. There is also a convenient booklet in A5 format which can be downloaded for printing.
Rules updates for Foot Orienteering, MTB Orienteering and Trail Orienteering will be published in the next few weeks.
Source: http://orienteering.org/updated-ski-orienteering-rules-published/