Any information provided to the department under this chapter that the registrant desires to claim as exempt from disclosure under the provisions of chapter 42.56 RCW, the Public Records Act, or as a trade secret under chapter 19.108 RCW, the Uniform Trade Secrets Act, or other statute must be clearly designated as confidential. However, the determination of whether the information is exempt from disclosure will be based solely upon chapter 42.56 RCW or other applicable law.