Various IRS tax penalties are there for people that fail to pay local, state and federal taxes on time. IRS is responsible only for the fines under Federal tax. The local and state tax rules are administered by the local while stating tax authorities. More than 140 IRS tax penalties are there which can be charged against the taxpayers. The common penalties charged by IRS are Overtime Penalty, Failure to File Penalty and Penalty for Underpaying Estimated taxes, Intentional Disregard or Penalty for Negligence and Substantial Understatement Penalty.