“Proper invoice” means a bill, a request for reimbursement, a written document or an electronic submission readable by the state grant-making entity that is provided by a private nonprofit corporation and which:
1. Requests an eligible amount that is due and payable by law under a written grant agreement with the private nonprofit corporation; and
2. Includes:
(a) Sufficient information to identify the grant agreement; and
(b) Any additional information or documentation required by the grant agreement or for compliance with 2 C.F.R. Part 200 or any other state or federal law or regulation.