Maryland Business Occupations and Professions Section 4-305
§ 4-305.
  (a)   Subject to the provisions of this section and of § 4-306 of this subtitle, the Board may waive any requirement of this subtitle for an individual who is licensed to practice barbering in another state.
  (b)   The Board may grant a waiver under this section only if the applicant:
    (1)   pays the examination fee required under § 4-303 of this subtitle;
    (2)   provides adequate evidence that the applicant has been licensed as a barber or master barber, whichever is applicable, in another state for at least the 6 months immediately preceding the filing of the application; and
    (3)   passes the applicable examination.