The commission is supposed to demarcate the border based on the historical record.
From the economist.com
Horton was the first to demarcate and label these now-familiar stages of the cycle.
From the en.wikipedia.org
Most coding requires the analyst to read the data and demarcate segments within it.
From the en.wikipedia.org
Many Monist philosophies clearly demarcate illusion from truth and falsehood.
From the en.wikipedia.org
The nation must also demarcate north-south political boundaries before the election.
From the voanews.com
Several factors conspired to demarcate middle age, starting with advances in health.
From the huffingtonpost.com
New cattle brands were introduced, and barbed wire was used to demarcate properties.
From the en.wikipedia.org
This Act also enabled the administration to demarcate reserved and protected forests.
From the en.wikipedia.org
Such an easy way to demarcate yourselves from these dissenters isn't it?
From the theargus.co.uk
More examples
Separate clearly, as if by boundaries
Set, mark, or draw the boundaries of something
(demarcation) limit: the boundary of a specific area
(demarcation) line: a conceptual separation or distinction; "there is a narrow line between sanity and insanity"
(demarcation) The act of marking off a boundary or setting a limit, notably by belligerents signing a treaty or ceasefire; A limit thus fixed, in full demarcation line; Any strictly defined separation
(Demarcation) Defines the point at which ownership or responsibility for operating and maintaining facilities passes from one party to another. It can be a discrete physical device such as a jack or a virtual location such as the main telephone room.
(Demarcation) The point between the wiring that comes in from your local telephone company and the wiring you install to hook up your telephone system to the point where the telco's responsibility to maintain or replace lines or equipment ends and a subscriber's begins. ...
(Demarcation) in medical nanorobotics, a crude form of functional navigation in which artificial conditions detectable by in vivo medical nanorobots are created at or near the target treatment site, such as warm or cold spots, pressure spots, or injected chemical plumes.
(demarcation) An exclusive right that restricts a specific type of work to members of a particular union. In practice, it operates as a form of job protection.