Maryland Code, Insurance § 10-409

(a)(1) Except as otherwise provided in this section, the Commissioner shall waive the license requirements for an applicant who is not a resident of the State if:

(2) If neither the state where the public adjuster maintains a principal place of residence nor the state where the public adjuster maintains a principal place of business has a law governing public adjusters substantially similar to this subtitle, the public adjuster may declare another state where the public adjuster is licensed and acts as a public adjuster to be the public adjuster's home state for purposes of this subtitle.

(1) the person currently is licensed as a resident public adjuster and in good standing in the person's home state;

(2) the person files an application on the form that the Commissioner provides;

(3) the person has paid the applicable fee pursuant to § 2-112 of this article; and

(4) the person's home state awards nonresident public adjuster licenses to residents of this State on the same basis.