Boost your renewal rates with a foolproof membership renewal letter! Trying to write a membership renewal letter but don't know where to start?The signer need not sign in the notary's presence but must personally appear before the notary and state that the signature on the document is his or hers. These sample letters can be used as notification of misuse of the MARKS. A cover letter must accompany and be tailored to any application you submit. STEM letters should not exceed one page. 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. Instruct that person to fill out the remainder of the form and return it to you for enclosure with the rest of your application. PUNS Selection and Categories. Once you have established your employer account, you can also use MyTax Illinois to complete all your unemployment insurance tax processing needs.