For help filling out the form, call:(833). 620-1071 (toll-free customer service) or (800) 877-8339 (relay voice users).Caution: If you don't return Form W-9 to the requester with a TIN, you might be subject to backup withholding. See What is backup withholding, later. Withholding returns must be filed electronically for taxable years beginning from and after December 31, 2019. WARNING TO BOTH PARTIES: This Affidavit is an important document. You must fill out this Affidavit completely and provide accurate information. Por lo general, recibirá su tarjeta dentro de 7 a 10 dÃas laborables desde la fecha en que su solicitud sea procesada. Registration fees are based on: Your vehicle type (auto, motorcycle, etc.).