Match Amounts Minimum $10, Maximum $1,000, Match Ratio 1:1. Donors should register their matching gift requests electronically at https://mmc.benevity.org/user/login. Donors can request matching gifts for donations which were made up to twelve months ago. After an employee volunteers for a minimum of 20 hours at one or more nonprofits he or she is eligible to request a cash grant of $200 to one organization. The Dollars for Doers program is open to full-time colleagues in the US and Canada.