If a tribe needs a TIN of a tribal member for tax reporting information, the following suggestions may be followed: Ask the tribal member to furnish the TIN by completing a Form W-9PDF, Request for Taxpayer Identification Number and Certification, or If the tribal member refuses to furnish his/her TIN, complete the Form 1099-MISCPDF, Miscellaneous Income, using the latest information the tribe has for name and address and apply backup withholding at the rate of 24%. Return to List of FAQs