Senior Moderator; Moderator, Eco-Conscious Travel, United and Flyertalk Cares
Join Date: Jun 1999
Location: Fulltime travel/mostly Europe
Programs: UA 1.7 MM;; Accor & Marriott Pt; Hyatt Globalist
Posts: 17,831
I made mine very generic so I can use the same letter over and over and only needed to get it notarized once. I've never had any trouble with it not being specific. It basically just says something to the effect of: My wife, letiole, has my permission to travel with my son, T-wiz, outside the US.