Maritime borders of Pakistan are the maritime boundary recognized by the United Nations Convention on the Law of the Sea entails boundaries of territorial waters, contiguous zones, and exclusive economic zones. The Government of Pakistan promulgated "Territorial and Maritime Zones Act 1976". In 1997, Pakistan also declared a straight baseline along its coast. Now the territorial sea is measured 12 nautical miles into sea from the baseline. Using Unclos III, Pakistan has also demarcated its sea boundaries with both Iran and Oman respectively. Sea frontier with India in the East remains in dispute. Pakistan and India have held 12 rounds of discussions for deciding the exact sea frontier at Kori Creek and the un-demarcated Rann of Kachchh. At times, the negotiations appear promising. However, there has been no progress since June 2012. Pakistan's coastline is 1,146 Square kilometres² (712 Square miles²) long, with its claim of a territorial maritime zone and exclusive economic zone, has a more than maritime border shared with the three nations namely;