Demarcation Line Law and Legal Definition

Demarcation line refers to the boundary of a specific area. This term is commonly used in international law. It is a provisional border having the function of separating territories under different jurisdictions.

Generally, it is a demarcation line that is established when the political situation does not admit a final boundary arrangement. It is also known as line of demarcation.

The following is an example of a case law defining demarcation line:

Demarcation line is the line where one begins and the other ends. [Rumley v. Middle Rio Grande Conservancy Dist., 40 N.M. 183, 190 (N.M. 1936)].