Md. Code Ann., Tax-Gen. § 9-214
(b) If the credit allowed under subsection (a) of this section for a return period exceeds the motor carrier tax due in the period, then, in accordance with regulations of the Comptroller, the motor carrier may:
Added by Acts 1988, c. 2, § 1, eff. Jan. 1, 1989. Amended by Acts 1989, c. 5, § 1.
Formerly Art. 81, § 414.