INITIAL FAX ASKING FOR SIGNATURE AND DATING OF YELLOW PAGE BOOK FOR WISCONSIN. A NON AUTHORIZED PERSON IN MY OFFICE SIGNED AND DATED THE DOCUMENT AND FAXED IT BACK. EIGHT WEEKS LATER RECEIVED A THREATING LETTER ATTEMPTING TO COLLECT IN CHECK FORM ONLY , $1104.00.HAVE RECEIVED THREE OTHER THREATING REQUESTS , ONE EACH WEEK FOR THE PAST THREE WEEKS.WILL NOT PAY AS THIS IS COMPLETE SCAM.