Direct Dartmouth to establish additional guidance regarding how to review invoices and receipts that include participant support costs. This guidance should address how to segregate and account for costs Dartmouth is not allowed to cover using participant support cost funding, such as costs incurred for its employees. It should also address how Dartmouth will verify all non-participant travel expenses are charged to accounts that are included within its Modified Total Direct Cost base to ensure its indirect cost rate is applied consistent with its Negotiated Indirect Cost Rate Agreement.