I Want Application Letter Format

I Want Application Letter Format. (name of post) in ___________ (name of department) dated________. Name of the sender address date to, name of the recepient designation company name address subject:

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Never address your application letter with the words “to whom it may concern.” this is very generic and informal. How should i format my application letter? Hence i want to apply for the new atm card and kindly request you to issue me a new atm card as soon as possible.