Maryland Code, Local Government § 4-404

(1) at least 25% of the registered voters who are residents in the area to be annexed; and

(2) the owners of at least 25% of the assessed valuation of the real property in the area to be annexed.

(1) the signatures on the petition; and

(2) that the petition meets the requirements of subsection (a) of this section.

(c)(1) After verifying compliance with the requirements of this section, the presiding officer of the legislative body promptly shall cause a resolution proposing the change of boundaries as requested by the petition to be introduced in the legislative body.

(2) The annexation resolution shall conform to the form and content requirements of this subtitle.