Continuing with the confidence-building measures, India and Pakistan exchanged lists of their nuclear installations on Tuesday. The lists were simultaneously handed over in New Delhi and Islamabad by the respective countries under an agreement initialled on December 31, 1988. The lists include places covered under the Agreement on the Prohibition of Attack against Nuclear Installations and Facilities between the two countries. As per the agreement, which came into force on January 27, 1991, the two countries exchange the lists on January 1 every year.