In Reply to: Taking friends child with us - question posted by Colnlyn on Wednesday, 20. August 2008 at 17:57 Bali Time:
You can get a proforma from a Canadian website of a letter that the parents sign. I used it when I took my niece and nephew to Hawaii, this letter gave me rights to make decisions as their guardian in case of a medical emergency. I think its better to be safe than sorry.