Md. Code, Real Property § 12–205.1

In any proceeding for the acquisition of private property for public use by condemnation in which land or any part of it is being used for a business or farm operation, a representative of the displacing agency shall contact the owner of the business or farm operation not less than 30 days before the filing of the action and negotiate in good faith regarding a plan under which the business or farm operation may be relocated.