Section IX 4 W. & M. c. 5. § 1. Lapis Calaminaris exported, to pay only 2s. per Tun over and above the Rate in the Book of Rates.

And whereas by the said Act passed in the Fourth Yeare of their Majesties Reigne for granting the said additional Impositions on Goods and Merchandizes the Su[m]m of Twenty shillings is imposed on every Tun of Lapis Calaminaris exported which was found by experience to hinder the Exportation thereof and utterly to ruine the Manufacture itt is therefore hereby provided and enacted by the Authority aforesaid That for and dureing the Continuance of the said additional Impositions the Su[m]m of Two shillings onely shall be paid for every Tun of Lapis Calaminaris exported over and above the Rates thereon charged by the Book of Rates to be collected as in and by the said Act is directed and appointed Any thing in this or the last mentioned Act contained to the contrary notwithstanding.