Maryland Health - General Section 18-203

      Notwithstanding any other provision of law, the Department may provide patient-identifying information for patients treated in this State for cancer to a cancer control agency in another state if:

            (1)      The patient is a resident of the other state;

            (2)      The Department determines that the agency will preserve the confidentiality of the information; and

            (3)      The other state has authority to provide equivalent information on Maryland residents to this State.