Within the county and beyond
If you travel within the county/region, the same travel guarantee rules apply as for other public transport in the county. If you travel across the county/regional boundary, the rules where you bought the ticket apply.
Sms and website
If you buy your ticket on board, via sms or the website, the rules where you began your journey apply.
Here, the travel guarantee rules for each section of the journey apply. For more information, see resplus.se.