The Service Tax : Statutory Provisions,1994
16. PENALTY FOR FAILURE TO COMPLY WITH NOTICE.
If the Central Excise Officer in the course of any proceedings under this Chapter is satisfied that any person has failed to comply with a notice under sub-section (1) of section 71, he may direct that such person shall pay, by way of penalty, in addition to any service tax and interest, if any, payable by him, a sum which shall not be less than ten per cent, but which shall not exceed fifty per cent, of the amount of the service tax, if any, which would have been avoided if the value of taxable service stated in the return by such person had been accepted as the correct value of taxable service.