How To Write A Letter For Promotion Consideration Sample . (sender’s address) (date when the letter was written) (recipient address) subject: Skip basic info if the recipient knows you very well. Letter of Promotion Offer Request Cover Career from www.careercliff.com The letter will accompany the your resume and should be very professional avoiding grammatical and spelling mistakes as well as inappropriate language. Follow these steps to write a letter when you desire a promotion: Write a short paragraph describing your disappointment, frustration, or surprise from the fact that you were not promoted.