Commissary Benefits as well as Your Labor force
http://andrewrof239.jigsy.com/entries/general/lunchroom-benefits-together-with-your--labor-force
Staff members pay for non-reimbursed expenditures from these accounts. However, flexible-spending accounts are "use-it-or-lose-it" accounts; implying that any kind of funds leftover at the end of the year can not