Hunan has become the latest Chinese province to tighten controls on non-tax revenue growth through a revision of local regulation, as Beijing intensifies efforts to revive market sentiment and private investor confidence.The regulation changes, set to take effect on November 1, explicitly mandate that local-level governments fully remit proceeds from the disposal of confiscated goods – along with any interest they generate – to the state treasury, in a sign of how such non-tax revenue is now...