All IRS recognized foundations and corporate giving programs are eligible to participate in Foundations on the Hill. In addition, participation is open to regional associations of grantmakers. Grant-receiving organizations are only permitted to attend the ACR Summit for Leaders. To see if your organization is eligible, please read the Council on Foundations' membership eligibility requirements. If you have any questions about eligibility, please contact Tim Huber at the Council (703/879-0693) or Patrice Lee with ACR (202/822-8333).