Maryland Statutes
Part II - Peddler License -- in General
Section 17-909 - Scope of License

(a)    A peddler license authorizes the holder to act as a peddler only in the county where the peddler license is issued.
    (b)    In Harford County, a peddler may not sell goods on:
        (1)    a county right-of-way; or
        (2)    a State right-of-way, unless the peddler gets a lease agreement from the appropriate State unit.