Md. Code, Public Utilities § 8–303

(a) A telegraph company engaged in the business of transmitting communications by telegraph in the State and charging tolls for providing this service shall show conspicuously on each telegram delivered:

(1) under the caption “time filed”, the time the telegram was filed at the place of origin for transmission; and

(2) under the caption “time received”, the time the telegram was received at the office from which it is to be delivered.

(b) A telegraph company is liable for a fine of not less than $10 and not more than $200 for each telegram it delivers in violation of subsection (a) of this section.