View the list of Sample Business Letters Letter of Credit (Irrevocable) Disclaimer: Be aware that some of these sample letters have legal, financial, or other implications. If you are not sure about the use of any letter, consult with an appropriate professional first. Letter of Credit (Irrevocable) Letter of Credit (Irrevocable) __________________(Bank) _______________(Address) ____________(City,State) __________________(Date) Irrevocable Credit All drafts drawn must indicate credit number. Gentlemen: You are hereby authorized to value on the (bank) , of the City of ________________, State of______________, for any sum or sums up to the aggregate of ____________ ($ ) Dollars For the account of Available by your drafts at (specify) day's sight. Drafts are to be accepted only against delivery of the following documents: Documents of title must be dated not later than _______, 19__. All drafts against this credit are to be drawn and negotiated before (date) . We hereby agree with the drawers, endorsers, and bonafide holders of drafts drawn in compliance with the terms of this credit that they shall be honored on presentation. Yours truly,