Section 6. The Governor General in Council may impose on any metal sent to a Mint for coinage under this Act th

6. The Governor General in Council may impose on any metal sent to a Mint for coinage under this Act the duty (if any) leviable on the same metal under the Indian Coinage Act, 1870, and also a charge sufficient to defray the expenses of coinage over and above the expenses of assay and refining; and the Mint-master shall coin such metal at the charge so imposed.