This form does not serve as a receipt for this contribution, but is intended for our internal record keeping purposes only. A receipt describing the items donated will be mailed to the address above. Fair market values must be determined by the donor. It is the responsibility of the donor to substantiate fair market value for his/her own tax purposes. It is at the discretion of The Mountaineers to determine the most appropriate use for donated items. The Mountaineers is a 501(c)(3) non-profit organization. Our federal tax identification number is 27-3009280.