Tax Individuals Tax Individuals General Address change: Notifying IRS of address changeAdministrative appeal of IRS leviesElectronic filing is available for most individual returnsMailing: “Timely mailing equals timely filing rule applies when you use designated private delivery servicePaying taxes by credit cardPenalty: Penalties for late payment or filingPenalty: Reasonable cause excuse to avoid civil penaltiesPenalty: Substantial understatement penalty can be avoided by adequate disclosureWhen a taxpayer can’t pay his tax liability