What should I write in the confirmation letter of commercial photography?

Commercial photography confirmation letter usually consists of the following parts: project time, the other party's name, content, personnel name, contact information, stamp, signature, date and other items. The confirmation letter of commercial photography plays a very important role in the process of work execution. The confirmation letter of extended information commercial photography is the original document such as invitation letter issued by the supervisor or organizer or institution. Generally, it is sent to overseas institutions by telex. In order to facilitate the search, you can also inform the applicant of the telex document number. The role of commercial photography confirmation is a method and way that can be used to prevent forgery and counterfeiting.