Do I need to advise someone before I travel?

No.  However, if you have a medical emergency during your trip, it is best to phone the claims line before seeking medical treatment

Accessibility by WAH
What is the length of stay allowable under the plan? Do I need to purchase extra coverage to extend my stay beyond 60 days?
If my trip coincides with the renewal of my coverage year, will the applicable period of coverage for my travel plan reset on October 1?