A good congratulations promotion sample letter can be found by going to the docstoc website. They have many sample letters to choose from and give you great ideas to begin and deliver an outstanding letter to colleagues, friends and family. First, you want to write the letter as soon as possible right after the fortunate event occurs while everything is fresh in your memory. At the beginning,
. state the occasion that motivated your letter of congratulations. Express praise and approval of their accomplishments and keep it simple.