[Code of Federal Regulations] [Title 26, Volume 17] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 26CFR50.4] [Page 6] TITLE 26--INTERNAL REVENUE CHAPTER I--INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) PART 50_REGULATIONS RELATING TO THE TAX IMPOSED WITH RESPECT TO CERTAIN HYDRAULIC MINING--Table of Contents Sec. 50.4 Rates of tax. (a) Determination of rate. Under the Act the California Debris Commission will determine and prescribe with respect to each debris dam or other works the rate of tax payable in the area served by the particular debris dam or works. The Secretary of the Army will notify the Secretary of the Treasury of the rate of tax fixed with respect to each debris dam or works as such rate becomes known. (b) Measure of tax. The tax is payable annually on the basis of the number of cubic yards mined from the natural bank by the hydraulic process during the taxable year.