Frequently Asked Questions

How do I donate by mail?
Please mail your check to:
Institute for Humane Studies
PO Box 45951
Baltimore, MD 21297-5951

IHS’s headquarters will remain in Arlington, VA.

How do I donate by PayPal?
Please send PayPal donations to:

How do I donate via ACH?
Beneficiary Name: Institute for Humane Studies
Routing #: 051404260
Beneficiary Account Number: 0000154956999
Bank Name: Branch Banking and Trust Company
Bank Address: 200 W 2nd St, Winston Salem, NC 27101

How do I donate Stock?
Have your broker contact ours using the following information:

IHS mail donate, frequently asked questions
IHS phone contact donation, frequently asked questions
donate stock

Name: Merrill Lynch
Contact: Robert Testwuide
Account #: 86Q-04013
ABA #: 044-000-804
DTC #: 8862
Phone: 703-464-8809
Fax: 703-467-9340
Address: 11951 Freedom Drive, Freedom Square, 17th Floor, Reston, VA 20190

At the time of the transfer, for audit and acknowledgement purposes, please provide us with:
Your name and complete address
Name and number of securities transferred

If you have any questions, please contact Gary Leff at or 1-800-697-8799.

Is my donation to IHS tax deductible?
Yes, IHS is a 501(c)(3) organization, and donations made to IHS are 100% tax deductible.  Our tax identification number is 94-1623852.

What is your refund policy?
If you have made an error in making your donation or change your mind about contributing to the Institute for Humane Studies, we will honor your request for a refund within 30 days of your donation. To request a refund, please call Lily Mullen at (732) 664-7676. Refunds are returned using the original method of payment.

What if I have questions about my donation?
Lily Mullen on our team will be happy to help you. Please call her at (571) 429-3582 or email

If you have any questions, please contact Gary Leff at or 1-800-697-8799.