The department, if satisfied as to the existence of any fact which under RCW 46.29.120, 46.29.130, 46.29.140 or 46.29.150 would entitle a person to be relieved from the security requirements of this chapter, shall not require the deposit of security by the person so relieved from such requirement, or if security has previously been deposited by such person, the department shall immediately return such deposit to such person or to his or her personal representative.