Donate. The Arc Theatre is a 501(c)3 tax exempt not-for-profit*! Your tax deductible donation to The Arc can be processed through our secure PayPal site by clicking below. If you would prefer to donate via check, checks can be made payable to “The Arc Theatre” and can be handed to us or mailed* to our business office at: 1100 West Cornelia Ave. #119 Attn: Shannon Gallagher Chicago, IL 60657 *Please include instructions for mailing/emailing you an acknowledgement letter for your donation. The Arc Theatre is a 501(c)3 tax exempt organization. Contributions for the charitable purposes of The Arc Theatre must be made payable to The Arc Theatre only and are tax-deductible to the extent permitted by law.