The department shall determine the amount of security deposit required of any person upon the basis of reports submitted, such reports to be in a form provided by the department which must be completed by the parties who sustain a loss, or their successors in interest, or upon the basis of other information or evidence received by the department which provides sufficiently specific information for the department to enter its decision concerning the amount of security with reasonable certainty: Provided, That a fatality or fatalities will create the presumption that the amount shall be for the full amount of the limit provided by RCW 46.29.090 in reference to the acceptable limits of a policy or bond. Failure to respond to a request for specific information within thirty days will allow the department to conclude that no claim is being pursued.