ISLAMABAD: Federal Board Revenue (FBR) chairman Dr Muhammad Ashfaq Ahmed has ensured seamless Customs clearance at the Chaman border for smooth trade. On the third and last day of his eventful visit to Balochistan, Ahmed visited Customs House Chaman, a statement said. He was accompanied by Dr Muhammad Saeed Khan Jadoon, Member (Customs Policy), FBR, Muhammad Sadiq, chief collector Customs