Among other reforms he advised implementing were the reversal of a [[1695]] debasement of the [[currency]], and a series of regulations on foreign trade implemented in [[1715]]. These regulations restricted the number of [[Chinese in Nagasaki|Chinese]] and [[VOC|Dutch]] ships which could call annually at [[Nagasaki]] to thirty and two respectively, and instituted a system in the style of the Chinese [[kango boeki|tally trade]], in which Chinese ships leaving Nagasaki were given half a seal which, when matched up with the other half held by the Nagasaki customs office, constituted a license to trade.<ref>Robert Hellyer, ''Defining Engagement'', Harvard University Press (2009), 63.</ref> | Among other reforms he advised implementing were the reversal of a [[1695]] debasement of the [[currency]], and a series of regulations on foreign trade implemented in [[1715]]. These regulations restricted the number of [[Chinese in Nagasaki|Chinese]] and [[VOC|Dutch]] ships which could call annually at [[Nagasaki]] to thirty and two respectively, and instituted a system in the style of the Chinese [[kango boeki|tally trade]], in which Chinese ships leaving Nagasaki were given half a seal which, when matched up with the other half held by the Nagasaki customs office, constituted a license to trade.<ref>Robert Hellyer, ''Defining Engagement'', Harvard University Press (2009), 63.</ref> |