Some sponsors identify cost sharing (or matching) requirements in their solicitations or proposal guidelines. This means that Penn State (or some third party) must provide some level of support for a project as a condition of receiving additional support from the sponsor. It is important to begin the process of securing cost-sharing commitments long before a proposal is due. It is also crucial to document all cost share during the life of the project. If Penn State cannot demonstrate that it has met its cost sharing obligations, sponsors may ask for some or all of their funding to be returned.