Maryland Statutes
Subtitle 2 - Manufacturer's Licenses
Section 2-215 - Beer Sale on Credit to Retail Dealer Prohibited

(a)    A holder of a manufacturer’s license may not sell beer to a retail dealer on terms other than for cash on delivery.
    (b)    A civil action to enforce or collect a claim for credit extended or enforce a check given in violation of this section may not be maintained in the State.