Samples of requests for approval. Use the following samples to guide you when writing a request for approval letter.Fill out the form below to get instant access to our approval request form templates. To save an editable copy, follow these simple steps:. Under the Illinois Freedom of Information Act, 5 ILCS 140, I am requesting an opportunity to inspect or obtain copies of public records. I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago. If you are approved for Medicaid, you will get an approval letter in the mail. This approval letter will list your benefit start date. A Request for Approval Letter is a formal document used to seek official permission or authorization from a supervisor, department head, or governing authority. Send your letter and the documents listed above to the sheriff 's office in the county and state where the other party lives.