causes of exemption of obligation
type: Concept
broader: exemption of obligation
preferred label: اسباب معافیت از تعهد @fa

exemption of obligation
type: Concept
broader: obligation
narrower: causes of exemption of obligation
preferred label: معافیت از تعهد @fa

obligation
type: Concept
narrower: exemption of obligation
preferred label: تعهد @fa