Maryland Statutes
Subtitle 2 - General Powers and Duties of Secretary and Local Inspectors
Section 11-204.2 - Registration Required

(a)    Except as provided in subsection (b) of this section, unless registered with the Secretary under § 11-204.3 or § 11-204.4 of this subtitle, a weight and measure may not be used or possessed for current use for:
        (1)    Buying or selling any commodity or object;
        (2)    Hire or award;
        (3)    Computing any charge or payment for services rendered on the basis of weight and measurement; or
        (4)    Determining any weight and measure for a charge.
    (b)    This section does not apply to counting scales.