---
title: Section 163(j) Interest Expense Limitation Calculation Form Template | Paperform
description: Professional tax form template for calculating IRC Section 163(j) business interest expense limitations, adjusted taxable income, and carryforward tracking. Built for CPAs and tax professionals.
url: "https://paperform.co/templates/section-163j-interest-expense-limitation-calculation-form"
type: static
generatedAt: "2026-03-31T00:49:45.867Z"
---

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### Streamline Your Section 163(j) Interest Deduction Calculations

The Section 163(j) interest expense limitation rules can be complex for businesses dealing with debt financing. This **Section 163(j) Interest Expense Limitation Calculation Form** helps tax professionals, CPAs, and finance teams accurately calculate business interest deduction limitations under Internal Revenue Code Section 163(j).

#### Built for Tax Professionals and Corporate Finance Teams

Whether you're a tax accountant preparing corporate returns, a CFO managing compliance requirements, or a CPA firm serving multiple business clients, this form guides you through the adjusted taxable income (ATI) calculation, business interest income offsets, and carryforward tracking required for Section 163(j) compliance.

The form walks through each component systematically: starting with entity information and tax year details, capturing business interest income and expense figures, calculating adjusted taxable income with proper addbacks, determining the 30% ATI limitation threshold, and tracking any disallowed interest carryforwards. Conditional logic ensures you only see relevant fields based on your entity type and election status.

#### Automate Your Tax Compliance Workflow

Beyond data collection, this form integrates seamlessly into your existing tax preparation workflow. Paperform's calculation engine automatically computes the allowable interest deduction, disallowed amounts, and carryforward balances—reducing manual spreadsheet errors and saving valuable time during busy tax seasons.

For firms managing multiple clients, use [Stepper](https://stepper.io) to automatically route completed calculations to the appropriate reviewer, update your tax software or project management system, and maintain a complete audit trail of all Section 163(j) calculations. The form's structured data export makes it simple to import figures directly into tax preparation software or documentation systems.

With built-in field validation, required supporting documentation uploads, and customizable branding options, you can maintain professional standards while accelerating your Section 163(j) analysis. The form is SOC 2 Type II compliant, ensuring sensitive financial data remains secure throughout the calculation and review process.
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