IconInstalling Instant Interest
IconSetup Menu
IconStandalone Installation
IconNetwork Installation
IconWorkstation Installation
IconCreating an Icon
IconUpdating Instant Interest
IconInternet Update
IconApplying the Update
IconStarting Instant Interest
IconSpecifying a Parameters Folder
IconBasic Concepts
IconStandard Input
IconEasy Calculation
IconCustom Calculation
IconRate Maintenance
IconAdd Jurisdiction Form
IconAdd Interest Rate
IconNotification Date
IconAssessment Date
IconApply Payments Option
IconInterest Schedule Display
IconMail Interest Schedule
IconExport Schedule to Excel
IconPreview a Schedule
IconPrint a Schedule
IconCopy Schedule to Clipboard
IconPrint Rate Form
IconFind Files Panel
IconChange Default Settings
IconTax Calendar
IconView Rates Display
IconFile Submenu
IconSettings Submenu
IconTools Submenu
IconHelp Submenu
IconRecent Files
IconCommand Buttons
IconInstant Interest Defaults
IconSpecial Cases
IconTax-Motivated Underpayment
IconCalifornia, Federal, and Virginia - Large underpayments ("Hot interest")
IconFederal, Alabama, Arizona, and Virginia - Large corporate overpayments
IconArizona Tax Amnesty
IconCalifornia - Handling Large Underpayments for Group Returns
IconColorado - Discount for Early Payment
IconDelaware - Interest on Refunds
IconFlorida - Tax Amnesty Program
IconFlorida, New York City, and Utah - Interest rate fixed based on Due Date
IconIllinois - Lower interest rate for first year
IconIowa - Rounded Monthly_Rate
IconMassachusetts - Simple Interest on Refunds after July 1, 2003
IconMissouri - Refunds for amended returns
IconNew Jersey - Lower interest on extensions granted or discretionary reductions
IconOklahoma -- Option to waive tax penalties and interest
IconOregon - Additional 4% for Delinquencies after 60 days
IconOregon - Interest Rate Rounding and Effective Dates
IconTennessee - Interest rate fixed based on assessment date
IconTexas - 60 Day Grace Period
IconTexas - Change in Refund Rate
IconTexas Tax Due Dates
IconVirginia Tax Amnesty
IconApply Payments Option
IconNumber of Days in Calendar Year
Icon52-53 week taxpayers
IconAlaska Oil and Gas Production
IconFiling Extensions
IconIRS State of Record
IconInstant Interest Consistency Checks
IconExample 1 - Calculating interest from a date other than the due date of the return
IconExample 2 - Calculating an assessment from an assigned date
IconExample 3 - Netting interest against subsequent interest due
IconExample 4 - Restricted interest
IconExample 5 - Credit elect
IconExample 6 - Ohio - Interest on assessment
IconAnalyze Installation
IconTax Jurisdictions Tracked by C&C Software
IconNotes on Calculations
IconQuarterly Maintenance

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