Tokyo, March 20 (Bloomberg) -- Japanese Finance Minister Masajuro Shiokawa said the government will closely communicate with other nations and take ``decisive action'' in currency markets if necessary after the U.S. attack on Iraq. ``We will take decisive action if there are rapid movements in the currency market,'' Shiokawa said in a statement. ``We will have close communication with our counterparts in other nations.'' Shiokawa also said the government and the central bank will work together to assure liquidity. The Finance Ministry will set up a task force on Iraq within the ministry, Shiokawa added in the statement. //www.quote.bloomberg.com