A consent letter demonstrates that a child has permission to travel outside Canada from every parent or guardian who is not accompanying them on the trip. There is no Canadian legal requirement for children to carry a consent letter.Parental consent documentation for travel to Canada and Mexico. The border agents want proof the child is traveling with parental consent and not being abducted. The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents. Staying healthy is easier with the right support. Dumas was last seen wearing a black jacket and blue jeans in the 2400 block of 80th Avenue. Family told police that Dumas has dementia.