TOKYO (AFX-ASIA) Japan's 15 major banks are likely to unload a total 10 trln yen in cross-held shares before the September 2004 start of new banking rules, the Nihon Keizai Shimbun reported, citing the Financial Services Agency's banking reform proposals submitted to the government. The FSA is proposing rules to limit banks to holding shares worth no more than their net worth to insulate them from volatile stock