(c) The department shall request additional supporting documentation if the submitted documentation gives rise to questions regarding the allowability of the expense.
(d) The department shall deny reimbursement for unallowed expenses.
(e) Request for reimbursement shall be made no more than monthly.
(f) The department, pursuant to Bea 510, shall seek a waiver of any of the rules in this section if needed, such as when smaller municipalities with limited budget or bonding capacity are encountering challenges in receiving grant awards.