Maryland Code, Environment § 1-201

(a) A requirement in this article that a document be verified means that the document shall be verified by a declaration made under the penalties of perjury that the matters and facts contained in the document are true to the best of the knowledge, information, and belief of the individual making the declaration.

(b) The verification shall be made:

(c) If the procedures provided in subsection (b)(2) of this section are used, the statement of verification subjects the individual making the statement to the penalties of perjury to the same extent as if the statement had been verified under oath before an individual authorized to administer oaths.