The border between Chile and Argentina shall be established as defined in the annex to this treaty, which includes the Atacama Desert region. The border shall be marked by a series of geographical landmarks and monuments, as specified in the annex. The parties agree to respect and maintain the border as defined, and to resolve any disputes that may arise through diplomatic means. The border shall be subject to periodic review and adjustment as necessary.
This article sets the border between Chile and Argentina, using landmarks and monuments to mark it. It also says that any disputes will be resolved through talking, not fighting.