The documents on the TAP and TAPI projects signed

The Intergovernmental Agreement on the Turkmenistan-Afghanistan-Pakistan electricity transmission line between the Government of Turkmenistan, the Government of the Islamic Republic of Afghanistan and the Government of the Islamic Republic of Pakistan, as well as the Turkmenistan-Afghanistan-Pakistan-India gas pipeline project Heads of Terms - Host Government Agreement were signed during the solemn ceremony of launching the construction of the next sstage of the TAPI project and laying the electricity transmission lines and fibre-optic lines along the Turkmenistan-Afghanistan-Pakistan route.

Source: Turkmenistan: the Golden Age Online Newspaper