StacksVerified U.S. regulatory reference

40 CFR §310.16

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Cost documentation must be adequate for an audit. At a minimum, you must:
  1. (a)Include a description of the temporary emergency measures for which you request reimbursement;
  2. (b)Specify the local agency that incurred the cost, (such as, the Town Fire Department, the County Health Department, or the City Department of Public Works);
  3. (c)Include invoices, sales receipts, rental or leasing agreements, or other proof of costs you incurred; and
  4. (d)Certify that all costs are accurate and that you incurred them specifically for the response for which you are requesting reimbursement.