Match Amounts Minimum $20, Maximum $10,000, Match Ratio 1:1. Each current employee can request up to $10,000 in matching donations per year while retirees can request up to $3,000 annually. Donors should register their matching gift requests electronically at http://www.chevronhumankind.com/. Chevron does not accept paper forms. Donors have until January 31st of the year following the donation date to submit match requests. Each individual who volunteers for 20 hours in a year can request a $500 grant. Chevron allows individuals to request up to two of these grants per year (max $1,000. Volunteers have until January 31st of the following year to submit Grant for Good requests.