SDCL § 10-39-68 — Additional tax on precious metals--Rate

In addition to the tax imposed in § 10-39-43 , there is hereby imposed an additional tax on each ounce of precious metals severed as follows:
(1) Four dollars per ounce of gold severed during a quarter if the average price of the precious metal is eight hundred dollars per ounce or greater;
(2) Three dollars per ounce of gold severed during a quarter if the average price of the precious metal is seven hundred dollars per ounce or greater;
(3) Two dollars per ounce of gold severed during a quarter if the average price of the precious metal is six hundred dollars per ounce or greater; and
(4) One dollar per ounce of gold severed during a quarter if the average price of the precious metal is five hundred dollars per ounce or greater.
The average price of gold shall be computed by summing the daily London Final price of the precious metal for each business day of the quarter and dividing by the number of business days in the quarter.