Maryland Code, Tax-General § 13-1025

(a) A person who assaults a tax collector who is performing an official duty is guilty of a crime and, on conviction, is subject to a fine not exceeding $500 or imprisonment not exceeding 12 months or both.

(b) A person who assaults another person to prevent that person from bidding at a tax collector's sale or because that person bid at a tax collector's sale is guilty of a crime and, on conviction, is subject to a fine not exceeding $500 or imprisonment not exceeding 12 months or both.