Md. Code, Local Government § 21–211

(a) The district council shall publish notice once each week for 2 successive

weeks in a newspaper of general circulation in the county or in technical press for

bids for the construction of a project.

(b) (1) The district council shall award the contract for a project to the

lowest responsible bidder.

(2) The district council may:

(i) reject any and all bids for a contract for a project; and

(ii) readvertise for bids, in accordance with and subject to this

subtitle.

(c) (1) Before awarding a contract for a project, the district council shall

require from the successful bidder a bond in a form and amount approved by the

district council.

(2) The bond shall be conditioned on:

(i) completing the project in accordance with the plans,

specifications, and time limitations specified in the contract; and

(ii) paying for all supplies and labor provided to the contractor

in the construction of the project.