The department shall have a seal that shall have engraved thereon the words "department of human services, state of Rhode Island," and the seal shall be affixed to all written contracts that the department is authorized and directed to make under the provisions of this chapter, and the contracts shall be signed by the director of the department. The seal shall also be affixed to other orders and papers issued by the department as the department may by rule or order direct.
R.I. Gen. Laws § 40-2-22