Maryland Code, Natural Resources § 10-408.1

(i) State and federal wetlands;

(ii) Private wetlands as designated by the Department;

(iii) Land which qualifies for agricultural assessments, as provided under § 8-209 of the Tax--Property Article, and timberland and lands used for reforestation;

(iv) Except in Howard and Harford counties, owners and lessees of any privately owned land; and

(v) Owners and lessees of any privately owned land in Howard and Harford counties as long as a trap described in paragraph (1) of this subsection is not within 150 yards of the permanent residence of another person.

(i) The use of body-gripping traps with a jaw spread of less than 6 inches that are placed, maintained, and operated completely submerged in water; or

(ii) The use of snap-type traps used to catch rats and mice.

(2)(i) Except as provided in subparagraph (ii) of this paragraph, a person who uses a snare, a trap, or another similar device to capture wildlife must ensure the person's Department identification number is stamped on the device or on a metal tag affixed to the device.

(ii) The Department may waive the identification requirement under subparagraph (i) of this paragraph if the device is used only on private property that is owned or rented by the person placing the device.