Maryland Code, Commercial Law § 14-1207

(1) In person if he appears in person and furnishes proper identification;

(2) By telephone if he has made a written request, with proper identification, for telephone disclosure and the toll charge, if any, for the telephone call is prepaid by or charged directly to the consumer; or

(3) In writing if the consumer makes a written request and furnishes proper identification.

(1) Except as to false information furnished with malice or willful intent to injure the consumer, bring any action or proceeding in the nature of defamation, invasion of privacy, or negligence with respect to the reporting of information against any consumer reporting agency, any user of information, based on information disclosed pursuant to this section or § 14-1206 or § 14-1212 of this subtitle; or

(2) Bring any action or proceeding against a person who furnishes information to a consumer reporting agency in the nature of defamation, invasion of privacy, or negligence for unintentional error.