A person with knowledge of the facts should sign the formal Response. An Illinois notary public is authorized to perform notarial acts or "notarization" anywhere in the state.Sample Formal Response: A sample format for Respondent to prepare a Formal Response to a charge filed with IDHR. Opt-Out Request Forms. Here are sample letters and forms often used to communicate with the school about the needs of a student. How to correctly format a business letter. Includes detailed instructions and example on how to write a business letter for any situation. The return address should be written in the top right-hand corner of a formal letter. This guide is designed to teach you how to write a letter of instruction for heirs, or anyone else who may benefit from a little more direction. Forms on this website are PDFs with fillable fields.