49 CFR §350.229

1. (a)General. FMCSA must establish criteria for activities eligible for reimbursement and make those criteria available to the States in the MCSAP application announcement before the MCSAP application period.
2. (b)Costs eligible for reimbursement. All costs relating to activities eligible for reimbursement must be necessary, reasonable, allocable, and allowable under this subpart and 2 CFR parts 200 and 1201. The eligibility of specific costs for reimbursement is addressed in the MCSAP application announcement and is subject to review and approval by FMCSA.
3. (c)Ineligible costs. MCSAP funds may not be used for the:
   1. (1)Acquisition of real property or buildings; or
   2. (2)Development, implementation, or maintenance of a State registry of medical examiners.