If you have forgotten or misplaced the username and password issued to your organization after you filed your initial Form 8871, please send a letter requesting a new username and password to: IRS Attn: Request for 8872 Password Mail Stop 6273 Ogden, UT 84201 You may also fax your letter to 855-214-7520. It may take 3-6 weeks for your new username and password to arrive, because they will be mailed to the organization. Submit your request now in order to have your username and password available for your next filing.