Congratulations on a business acquaintance getting promotion [Date] [Name] [Address] Dear [Name] I was pleased to learn that you have been chosen as the new [Title] at [Location]. Congratulations on your well-deserved promotion. I realize you must have a million and one things to do at the moment but I do hope you will be able to call in and see us before you leave. Yours Sincerely [Your Name] [Your Title]