Melville Fuller,
Atlantic Coast Line Railroad Company v…
“ It imposes a penalty for the purpose of enforcing this general duty of the company. The direction that the delivery of the message shall be made with impartiality and in good faith and with due diligence is not an addition to the duty which it would owe in the absence of such a statute. Can it be said that the imposition of a penalty for the violation of a duty which the company owed by the general law of the land is a regulation of or an obstruction to interstate commerce, within the meaning of that clause of the Federal Constitution under discussion? ”
