Md. Rule 12-301
Rule 12-301. Applicability—Definitions
(a) Applicability. The rules in this Chapter govern actions in which establishment and enforcement of a mechanics' lien are sought.
(b) Definitions. In this Chapter, the following definitions apply:
(1) Building. “Building” includes any unit of a nonresidential building that is leased or sold separately as a unit.
(2) Contract. “Contract” means an agreement of any kind or nature, express or implied, for doing work or furnishing material, for or about a building that may give rise to a mechanics' lien.
(3) Contractor. “Contractor” means a person who has a contract with an owner.
(4) Land. “Land” means the interest in land to which a mechanics' lien extends or the interest in land within the boundaries established by proceedings in accordance with Rule 12-308. “Land” includes the improvements to the land.
(5) Mechanics' Lien or Lien. “Mechanics' lien” or “lien” means a lien established pursuant to Code, Real Property Article, §§ 9-101 through 9-112.
(6) Owner. “Owner” means the owner of record of the land except that, when the contractor executes the contract with a tenant for life or for years, “owner” means the tenant.
(7) Subcontractor. “Subcontractor” means a person who has a contract with anyone except the owner or the owner's agent.
Cross reference: Code, Real Property Article, § 9-101.