Warrants shall be drawn by the Oregon Department of Administrative Services in favor of the Department of Human Services for the aggregate amounts of the Department of Human Services' expenses. The Department of Human Services shall deposit all such warrants in the State Treasury in a checking account in reimbursement of those expenses. The Department of Human Services may draw its checks on the State Treasury in favor of the persons, firms, corporations, associations or counties entitled thereto under such rules as it shall adopt so as to include in single combined payments for specified periods all moneys allotted to particular payees from various sources for the period.
ORS 409.240