Md. Code, Transportation § 21–10A–03

(a) A vehicle may not be towed or otherwise removed from a parking lot to a location that is:

(1) Subject to subsection (b) of this section, more than 15 miles from the parking lot; or

(2) Outside the State.

(b) A local jurisdiction may establish a maximum distance from a parking lot to a towed vehicle storage facility that is different than that established under subsection (a)(1) of this section.