《宋史·列传·卷六十八》
请求按照旧例在长江以北设置榷务，平均各等级，按每年给予供给。
请依旧江北置务，均色号，以年次给之。
He requested to reestablish the tea tax north of the Yangtze River, with an average classification, depending on the amount to be supplied yearly.