All that is needed to complete filings requirements is an email address and your organization's Employer Identification Number (EIN). You'll also need to submit: • A copy of the IRS Determination Letter granting tax-exempt status.This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. Acknowledgment of "no goods or services were provided as part of this donation. If you filed and cannot verify your identity online, electronically upload or mail a copy of one item from each of the following categories. Hi Paulette, Typically, you only need to provide Form W-9 upon request. If just confirms your tax id number.