(a) Personnel Records: The Grantee shall document and keep records of all labor and personnel activity related to the Project, including payroll and attendance records and reports produced by an electronic timekeeping system.

(b) Travel Claims: The Grantee shall document and identify the personnel time, date of activity, work performed, and miles or other travel related to the Project.

(c) Other Records: The Grantee shall maintain all receipts, invoices, and records of procurement of goods or services related to the Project.

(d) Record Retention: The Grantee shall retain all documents, records, receipts, and financial accounts related to the Project as required by this section and as otherwise necessary to substantiate the purpose for which the funds were spent for five years from the expiration of the Grant Agreement, or in accordance with the Grantee's records retention period, whichever is longer.