Maryland Code, Tax-General § 13-703

(a) If, with the intent to evade the payment of tax, a person, including an officer of a corporation, or a governmental unit makes a false tax return, the tax collector shall assess a penalty not exceeding 100% of the tax due.

(b) If, with the intent to evade the payment of tax, a person hired to prepare a tax return makes a false tax return, the tax collector shall assess the hired preparer a penalty not exceeding 100% of the tax due.