Maryland Criminal Law Section 5-614
§ 5-614.
  (a)   (1)   Unless authorized by law to possess the substance, a person may not bring into the State:
      (i)   45 kilograms or more of marijuana;
      (ii)   28 grams or more of cocaine;
      (iii)   any mixture containing 28 grams or more of cocaine;
      (iv)   4 grams or more of morphine or opium or any derivative, salt, isomer, or salt of an isomer of morphine or opium;
      (v)   1,000 dosage units of lysergic acid diethylamide;
      (vi)   any mixture containing the equivalent of 1,000 dosage units of lysergic acid diethylamide;
      (vii)   28 grams or more of phencyclidine in liquid or powder form;
      (viii)   112 grams or more of any mixture containing phencyclidine;
      (ix)   1,000 dosage units or more of methaqualone;
      (x)   28 grams or more of methamphetamine;
      (xi)   any mixture containing 28 grams or more of methamphetamine; or
      (xii)   4 grams or more of fentanyl or a fentanyl analogue.
    (2)   A person who violates this subsection is guilty of a felony and on conviction is subject to imprisonment not exceeding 25 years or a fine not exceeding $50,000 or both.
  (b)   (1)   Unless authorized by law to possess the marijuana, a person may not bring into the State more than 5 kilograms but less than 45 kilograms of marijuana.
    (2)   A person who violates this subsection is guilty of a felony and on conviction is subject to imprisonment not exceeding 10 years or a fine not exceeding $10,000 or both.