Where a zoning district boundary approximately follows the center line of a street or alley, the center line of such street or alley shall be interpreted to be the zoning district boundary.

Where a zoning district boundary approximately parallels a street lot line or alley lot line, the boundary shall be interpreted as being parallel to it and at such distance from it as indicated on the Zoning Map. If no distance is given, such dimension shall be determined by the use of the scale shown on the Zoning Map.

Where a zoning district boundary approximately follows a lot line, the lot line shall be interpreted to be the zoning district boundary.

Where a zoning district boundary follows a body of water, the boundary shall be interpreted to be as the limit of the jurisdiction of the Borough unless otherwise indicated.

Submerged areas. For all areas within the Borough which are under water and are bounded by two or more zoning districts, the boundary lines of these districts shall be extended to the center of the body of water.

Classification of annexed lands. Any land annexed to or made part of the Borough subsequent to the adoption of this chapter shall immediately be classified in the same zoning district as the area to which it is contiguous, as of the effective date of annexation.

Vacation of public ways. Whenever any street or alley is vacated, the zoning district or districts adjoining each side of such street or alley shall be automatically extended to the center of such vacated area.

Lots in two zoning districts. Where a zone boundary line divides a lot or parcel in single ownership at the time of the passage of this chapter, any use authorized or permitted in either zone by extending a distance not to exceed 50 feet beyond the boundary of the zone in which such use is authorized or permitted.