Tel: (646)366-9666 x27 Fax: (646)366-9669 development@gilderlehrman.org
For further information about naming GLI in your will, please contact: Mary Caslin Ross, Executive Consultant, at development@gilderlehrman.org or (646) 366-9666 x27. The Institute is a tax-exempt organization under section 501 (c) (3) of the Internal Revenue Code. The Institute has notified the IRS of its intention to convert to a public charity, and the IRS has determined that grantors and donors may treat the Institute as a public charity for purposes of charitable deductions and qualifying distributions. Click here for the IRS determination letter. Click here for GLI's 2011 audit.