Md. Code, Local Government § 12–301

(a) This section applies only to commission counties.

(b) The provisions of §§ 9–105 and 9–106 of this article apply to an act, an

ordinance, or a resolution adopted under this section.

(c) The county commissioners shall:

(1) establish a competitive bidding process for awarding contracts for

services or the purchase of supplies if the contract exceeds $15,000;

(2) require a bond in connection with a contract, regardless of the

amount; and

(3) if no bids are submitted in response to a request for bids, obtain

the services or supplies in a manner that the county commissioners consider

appropriate.

(d) In Somerset County, subsection (c) of this section does not apply to a

contract solely for design or consultation services.

(e) In St. Mary’s County, subsection (c) of this section applies only to a

contract for services or the purchase of supplies if the contract exceeds $50,000.