How To Write A Letter To State Government . The rt hon [title] [name] [honours], mp, [appointment/position] bear in mind they may not have a title (eg ‘sir’), or any honours (for example, kbe, cbe etc). Most people write government letters when airing their concerns or when running businesses that regularly communicate with the government. U.S. Congressman Michael C. Burgess 26th District Of Texas from burgess.house.gov Your purpose for writing the letter should be clearly stated in the first paragraph. The formula for addressing them on the envelope is: Another option would be to address the senator or ambassador as, “dear madam ambassador.”.