Maryland Code, Business Regulation § 12-301

(a)(1) Each dealer shall make a written record, on a form provided by the Secretary, of each business transaction that involves the acquisition of a secondhand precious metal object when the transaction is made.

(2) Each dealer shall retain the original copy of the written record required to be made under paragraph (1) of this subsection at the dealer's place of business.

(1) lending money on pledge of personal property, other than a security or printed evidence of indebtedness;

(2) buying personal property on condition of selling it back at a stipulated price;  or

(3) buying the following items for the purpose of resale:

(d)(1) A separate record entry shall be made for each item involved in a transaction.

(2) Items in a matching set may be recorded as a set if acquired in a single transaction.

(1) each item in the transaction has a separate record entry in the written record required under this section;  and

(2) the secure container is tagged by the dealer with the number that corresponds to the transaction under which the items were acquired and the written record listing the items obtained in the transaction.

(f)(1) When a dealer places items into the dealer's inventory, the dealer shall tag each item individually with a number that corresponds to the transaction under which it was acquired.  However, items acquired in a matching set may be tagged as a set.

(2) Each item tagged by a dealer under paragraph (1) of this subsection shall remain tagged for the entire period the item is stored in the dealer's inventory.

(1) it reasonably appears to be a precious metal object;  and

(2) it was received by a dealer in the course of business or is found in the place of business or storage facility of a dealer.