Letters and faxes are an extremely effective way of communicating with your elected officials. Many legislators believe that a letter represents not only the position of the writer but also many other constituents who did not take the time to write.
These tips will help increase the effectiveness of your letter:
Keep it brief: Letters should never be longer than one page, and should be limited to one issue. Legislative aides read many letters on many issues in a day, so your letter should be as concise as possible.
State Who You Are and What You Want Up Front: In the first paragraph, tell your legislators that you are a constituent and identify the issue about which you are writing. If your letters pertains to a specific piece of legislation, it helps to identify it by its bill number (e.g. H.R. ____ or S. _____).
Hit your three most important points: Choose the three strongest points that will be most effective in persuading legislators to support your position and flesh them out.