To be eligible, you must have filed your taxes for the last 3 years. Several areas have an additional regional or local tax as outlined below.Habitat DC-NOVA schedules donation pick-ups Monday-Friday between 10AM-4PM. We DO NOT accept requests for a pick-up with less than 48 hours notice. What is The Nature Conservancy's Tax ID Number? The Nature Conservancy's Tax ID Number (Employer Identification Number) is 53-0242652. If your letter is greater than 90 days old or is otherwise invalid, you can request a new letter ID under the Individuals panel on the MyTax Illinois homepage. Removing an Endorsement. Employees must submit a signed and dated letter to the Office of Licensure requesting an endorsement be removed from their license.