49 CFR 110.50 - Disbursement of Federal funds.
(a) Preaward expenditures may not be reimbursed.
(b) Reimbursement may not be made for a project plan unless approved in the grant award.
(c) If a recipient agency seeks additional funds, the amendment request will be evaluated on the basis of needs, performance and availability of funds. An existing grant is not a commitment of future Federal funding.