Write or type the cap letters. In it, specify who the letter and from whom. As anonymous, according to the law, in the administration are not addressed, you need to specify your real data: surname, name, patronymic, address and telephone number.
Describe your problem as possible concise and clear. If you have any documentary evidence (certificates, copies of judicial decision and so on), mention this in the text. Copies of themselves to add to the letter.
Finish the letter with a specific proposal, question or request, which can be given a definite answer. Put the date and signature. If the letter of the collective, write a list of the names of the signatories and in front of each is a handwritten signature these people.