Section 22(3) in The Karnataka Value Added Tax Act, 2003
(3)Every dealer whose taxable turnover exceeds fifteen thousand rupees in any one month after the date from which the tax shall be levied, in accordance with Section 3, and every dealer executing a works contract whose receipts or amounts receivable by way of consideration towards work executed exceed fifteen thousand rupees in any one month after the date from which the tax shall be levied, shall register forthwith.