Since we all have our own rules and regulations, so do other people, cities and countries have set their own regulations and this is where authorization letters come in. Authorization letters in simple are used to notify or give one or another individual permission to for something with consent from them.<\/p>\n

Travel authorization<\/strong> do the same but instead this is issued once travelling, for example if a school has organized a trip, you would be required as a parent to fill a travel authorization letter as proof that you have your parents authorization to travel.