America's stand on the multibillion Iran-Pakistan gas pipeline has not changed despite the recent relaxation of sanctions on the Islamic republic after an agreement between Tehran and P5+1 countries.The US has maintained that construction of the pipeline would attract sanctions from America and its international partners.The comments came after Iran and Pakistan yesterday decided to speed up discussions on a cross-border gas pipeline project in order to formulate a road map and a more realistictime frame for implementation of the ambitious multi-billion-dollar plan.