Соответствующая норма
Practice Relating to Rule 36. Demilitarized Zones
The Report on the Practice of Pakistan notes that a demilitarized zone was created under the 1949 Karachi Agreement. The report emphasizes that Pakistan has been respecting the said zone and has periodically reported violations of it by India to the UN Observer Group. The report, referring to a statement by a spokesperson of Pakistan’s Foreign Office made in 1997, also underlines that Pakistan has formally opposed any suggestion of terminating UNMOGIP. 
Report on the Practice of Pakistan, 1998, Chapter 1.8, referring to Statement by the Foreign Office spokesperson, 24 April 1997.