You should also add a personal note to forwarded electronic messages. It is always useful to relate local needs to national legislation. However, in recognition of the need for cooperation among nations in an interdependent world, I hope you will reconsider your stand and support action to strengthen the United Nations. The fundamental do's DO address your senator or representative properly. DO write legibly.
Handwritten letters are fine if they are readable.
DO be brief and to the point. Discuss only one issue in each letter. Quality is more important than quantity. DO identify a bill by number or title if you can. This helps your representative or senator's staff know which bill you are referring to if there are multiple bills on the same issue.