| − | An order placed, contract awarded, service received, or similar transaction during a given period that will require payments during the same or a future period.<ref>[http://www.senate.gov/reference/glossary_term/obligation.htm] US Senate Reference</ref> | + | An '''obligation''' is an [[order]] placed, [[contract]] awarded, service received, or similar [[transaction]] during a given period that will require payments during the same or a future period.<ref>[http://www.senate.gov/reference/glossary_term/obligation.htm] US Senate Reference</ref> |