Maryland Health - General Section 21-410
§ 21-410.
  (a)   Except as otherwise provided in this section, a person shall obtain a permit with a Grade A or a manufactured grade classification from the Secretary before that person may:
    (1)   Bring, send, or receive a milk product into this State for sale;
    (2)   Offer a milk product for sale;
    (3)   Give a milk product away;
    (4)   Store a milk product; or
    (5)   Transport a milk product.
  (b)   A permit is required to:
    (1)   Be a bobtailer;
    (2)   Be a bulk milk hauler/sampler;
    (3)   Be a certified industry dairy farm inspector;
    (4)   Be a milk processor;
    (5)   Be a milk producer;
    (6)   Operate a distribution station;
    (7)   Operate a milk transportation company;
    (8)   Operate a receiving station; or
    (9)   Operate a transfer station.
  (c)   A permit is not required for:
    (1)   A milk producer who is outside the departmental inspection area if the raw milk from that milk producer is processed by a milk processor who holds a permit issued under this subtitle;
    (2)   A bulk milk hauler/sampler who receives raw milk from outside the departmental inspection area;
    (3)   A grocery store, restaurant, soda fountain, or similar establishment where milk products are served or sold at retail if:
      (i)   The establishment complies with all applicable provisions of this subtitle and all applicable rules or regulations adopted under this subtitle; and
      (ii)   The milk product is received from a permit holder; or
    (4)   A bulk milk hauler/sampler who is transporting a sealed tanker and not producers' samples.
  (d)   The Secretary shall designate all permits with one of the following classifications, as required by rules and regulations:
    (1)   Grade A milk; or
    (2)   Manufactured milk.