(a)      The boundaries of the metropolitan district are as follows:

      Beginning at a point where the Maryland-District of Columbia boundary line, in Montgomery County, intersects with the Maryland-Virginia boundary line on the southwest side of the Potomac River and running thence in a northwesterly direction about 12.5 miles along the said boundary line to its intersection with a straight line produced southwesterly from the intersection of the centers of Falls Road and the road running westerly and northwesterly from Scotland, at Wayside School, through Oak Spring Lock Triangulation Station; thence northeasterly about 5.3 miles along the aforesaid straight line extended to its intersection with a line 300 feet east of and parallel to the center of Seven Locks Road; thence southerly about 0.1 mile along the aforesaid line to its intersection with a line 300 feet north of and parallel to the center of the Montrose Road, which road runs generally easterly from Seven Locks Road to Randolph; thence easterly about 2.7 miles along the aforesaid line to its intersection with a line 300 feet southwest of and parallel to the center of the Rockville-Washington Road; thence northwesterly about 2.3 miles along the aforesaid line to its intersection with the southern boundary of the Town of Rockville, as defined by §§ 902, 903, 904 and 905 of Article 16 of the Code of Public Local Laws of Maryland (1939 Edition) and amended by Chapters 203 and 204 of the Laws of Maryland of 1941; thence easterly, southeasterly and northwesterly about 1.9 miles along the aforesaid boundary to its intersection with a line 300 feet north of and parallel to the center of the Rockville-Norbeck Road; thence northeasterly about 4.2 miles along the aforesaid line to its intersection with a line 300 feet west of and parallel to the center of the Norbeck-Olney Road; thence northerly about 0.1 mile along the aforesaid line to its intersection with the prolongation of a line 300 feet northwest of and parallel to the center of the Norbeck-Ednor Road; thence northeasterly and easterly about 3.1 miles along the aforesaid line to its intersection with a line 300 feet northeast of and parallel to the center of the Olney-Norwood-Beltsville Road; thence southeasterly about 2.0 miles along the aforesaid line to its intersection with a line 300 feet northwest of and parallel to the center of the Colesville-Ednor Road; thence northeasterly about 0.3 mile along the aforesaid line to its intersection with the prolongation of a line 300 feet northeast of and parallel to the center of the continuation of the Olney-Norwood-Beltsville Road, also known as the Briggs-Chaney Road; thence southeasterly about 2.2 miles along the aforesaid line extended to its intersection with a line 300 feet southeast of and parallel to the center of the Columbia Road; thence southerly about 0.1 mile along the aforesaid line to its intersection with a line 300 feet northeast of and parallel to the center of the continuation of the Olney-Norwood-Beltsville Road; thence southeasterly about 1.6 miles along the aforesaid line to its intersection with the Montgomery-Prince George's County line; thence southwesterly about 2.9 miles along the aforesaid county line to its intersection with the present dividing line between Election District No. 1 (Vansville) and Election District No. 21 (Berwyn) in Prince George's County; thence southeasterly about 1.7 miles along the aforesaid line to its intersection with the centerline of Little Paint Branch; thence northerly about 2.6 miles along the aforesaid line to its intersection with the original centerline of the Colesville-Beltsville Road, also known as the Odell Road; thence easterly and southeasterly about 2.0 miles along the aforesaid line to its intersection at Vansville with the centerline of the Old Washington-Baltimore Road; thence southwesterly about 0.2 mile along the aforesaid line to its intersection with the original centerline of a road running southerly to Edmonston Road; thence southerly about 1.3 miles along the aforesaid line to its intersection with the centerline of Sunnyside Avenue; thence westerly about 0.1 mile along the aforesaid line to its intersection with the centerline of Indian Creek; thence southerly about 1.2 miles along the aforesaid line to its intersection with the centerline of a small branch running easterly to Edmonston Road, approximately 0.7 mile south of the entrance to Beaverdam Creek; thence easterly about 0.7 mile along the aforesaid line to its intersection with the centerline of Edmonston Road; thence northeasterly about 0.1 mile along the aforesaid line to its intersection with a line drawn due north from the point of intersection of the centers of Good Luck Road and Jefferson Avenue, approximately 1.2 miles east of Edmonston Road; thence due south about 2.3 miles along the aforesaid line to its intersection with a line 300 feet north of and parallel to the center of the Branchville-Glendale Road; thence easterly about 2.2 miles along the aforesaid line to its intersection with the centerline of a road running northerly from Lanham; thence southerly about 1.0 mile along the aforesaid line to its intersection with the centerline of National Defense Highway, thence easterly about 0.4 mile along the aforesaid line to its intersection with the centerline of Bald Hill Branch; thence southeasterly about 1.4 miles along the aforesaid line to its intersection with the centerline of the George N. Palmer Highway; thence southwesterly about 1.3 miles along the aforesaid line to its intersection with the centerline of the Ardmore-Brightseat Road; thence southerly about 1.5 miles along the aforesaid line to its intersection with the centerline of the Landover-Brightseat Road; thence southeasterly about 0.4 mile along the aforesaid line to its intersection with the centerline of the C. M. Roberts private road; thence southerly about 1.8 miles along the aforesaid line to its intersection with the centerline of Central Avenue; thence westerly about 0.5 mile along the aforesaid line to its intersection with the centerline of the Ritchie Road, which road forms the eastern boundary line of Election District No. 18 (Seat Pleasant); thence southerly, southwesterly, and westerly about 4.3 miles along the aforesaid boundary line to its intersection at Oakland with the centerline of the Washington and Marlboro Road; thence due southwest about 300 feet to a line 300 feet southwest of and parallel to the aforesaid road; thence northeasterly about 1.2 miles along the aforesaid line to its intersection with the Maryland-District of Columbia boundary line; thence due northeast about 1.7 miles along the aforesaid boundary line to the eastern corner of the District of Columbia; thence due northwest 10.0 miles along the aforesaid boundary line to the northern corner of the District of Columbia; thence due southwest about 6.0 miles along the aforesaid boundary line to the place of beginning.

      (b)      (1)      The metropolitan district shall include all of Prince George's County except for those areas excluded under this subsection.

            (2)      The metropolitan district does not include the following municipal corporations, as the municipal corporations' boundaries were defined as of July 1, 1995:

                  (i)      District Heights; and

                  (ii)      Greenbelt.

            (3)      The metropolitan district does not include the City of Laurel as its municipal corporate boundaries existed on July 1, 1997.

            (4)      The metropolitan district does not include the following election districts, as the election districts' boundaries were defined as of July 1, 1966:

                  (i)      Election District No. 4; and

                  (ii)      Election District No. 8.

      (c)      Notwithstanding the provisions of subsection (b) of this section, in Prince George's County, a public service company, as defined in § 8-401 of the Tax - General Article, may not be excluded from the metropolitan district.