On January 29, when NSF issued its Proposal & Award Policies and Procedures Guide, it noted that it is a university’s responsibility to include in the Budget Justification a definition of the term "year" for the purposes of complying in a consistent manner with NSF's two-month limit on salary requested in the proposal budget for senior personnel. (Note as well that NSF increased the Budget Justification page limit to five pages).
In order to comply with NSF's guidance, ORSP recommends using the following:
"The University of Michigan uses the following definitions for the purpose of calculating the two-month limit on salary requested in the proposal budget for senior personnel:
Also, see ORSP's Working with NSF page for key sponsor-specific updates.