As long as the expenses fall within the state allowed Per Diem no receipts are necessary.
The vendor might have a liability issue with the State of Maryland
Expenditure accounts can be found on Chart of Accounts, under Helpful Documents on the web or you can call Accounts Payable at ext. 4747 or 4740
Contact Accounts Payable at ext. 4747 or ext. 4740. Accounts Payable will need the chartfield information for the department being charged. Documentation (invoice, receipts, etc) to back up the monetary request is also required.