Directional drilling, for purposes other than oil or gas production, is subject to the seven percent (7%) retail rate of tax for contracts equal to or less than ten thousand dollars ($10,000). Directional drilling jobs, for purposes other than oil or gas production, exceeding ten thousand dollars ($10,000) are subject to the three and one-half percent (31/2%) contractor's tax.
35 Miss. Code. R. 4-10-01-312