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Interest Calculation Reference

Calculate Pre-Petition Interest in Minutes, Not Hours

10 minutes with CaseMark

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Upload your documents and get a finished work product in minutes. New accounts get $5 free to run their first skill.

10 minutes with CaseMark

What you'll need

  • Loan or Credit Agreement
  • Payment History / Balance Ledger
  • Proof of Claim

SOC 2 Type II · HIPAA compliant · $5 free credit

Workflow

Overview

CaseMark's Interest Calculation Reference automates the complex process of calculating and validating pre-petition interest for bankruptcy creditor proofs of claim. It applies the correct rate source hierarchy, day-count conventions, and charge inclusion rules to produce a comprehensive interest worksheet with full validation checks. Whether you're drafting, auditing, or objecting to claim filings, this skill ensures mathematical precision and procedural compliance.

Calculating pre-petition interest for bankruptcy proofs of claim is a painstaking, error-prone process. Attorneys and paralegals must manually identify the correct rate source, determine the proper day-count convention, compute accrual days, validate fee inclusions, and cross-check every figure—often across multiple complex loan documents and payment histories. A single miscalculation can result in claim objections, reduced recoveries, or sanctions.

CaseMark automates the entire pre-petition interest calculation workflow, from rate source determination to final claim validation. The AI extracts key data points from your loan documents and payment histories, applies the correct formulas and day-count methods, evaluates charge inclusions, and produces a court-ready interest worksheet with a built-in validation checklist—reducing hours of manual work to minutes.

How it works

  1. 1. Upload your loan documents, payment history, and proof of claim filing

  2. 2. AI identifies principal balances, rates, accrual dates, and applicable day-count methods

  3. 3. Review the calculated interest, validated rate sources, and charge inclusion decisions

  4. 4. Export the complete interest worksheet and validation checklist (DOCX, PDF)

What you get

  • Interest Calculation Worksheet

  • Rate Source Determination

  • Charge Inclusion Analysis

  • Per Diem Breakdown

  • Total Claim Summary

  • Validation Checklist

What it handles

  • Automated pre-petition interest calculation with multiple day-count methods

  • Rate source priority hierarchy validation (contract, judgment, statutory, federal)

  • Charge inclusion gate for late fees, NSF fees, and attorney fees

  • Post-petition interest rule analysis by claim type

  • Comprehensive validation checklist for claim accuracy

  • Complete interest worksheet generation with per diem breakdowns

Required documents

  • Loan or Credit Agreement

    The governing loan, credit, or contract documents specifying interest rate, accrual method, and fee provisions

    .pdf, .docx

  • Payment History / Balance Ledger

    Chronological record of payments, principal applications, and outstanding balances

    .pdf, .docx, .xlsx, .csv

  • Proof of Claim

    The filed or draft proof of claim to be calculated, validated, or audited

    .pdf, .docx

Supporting documents

  • Judgment or Court Order

    Any pre-petition judgment specifying a judgment interest rate

    .pdf, .docx

  • Collateral Valuation

    Appraisal or valuation report for secured claim collateral and lien status documentation

    .pdf, .docx

  • State Statutory Rate Reference

    Applicable state prejudgment interest rate statute or reference

    .pdf, .docx

Why teams use it

Eliminate manual calculation errors with automated interest formulas and per diem breakdowns

Ensure correct rate source application through systematic priority hierarchy analysis

Streamline claim auditing with a comprehensive validation checklist that flags common errors

Save hours of tedious work on each proof of claim with instant worksheet generation

Questions

What types of bankruptcy claims does this skill support?

CaseMark's Interest Calculation Reference supports unsecured, secured, and priority claims. It applies the correct post-petition interest rules and rate source hierarchy for each claim type, ensuring accurate calculations regardless of claim classification.

How does the tool determine which interest rate to apply?

CaseMark follows a strict rate source priority hierarchy: contract rate first, then judgment rate, state statutory prejudgment rate, and finally the federal §1961 rate as a fallback. The AI identifies the highest-priority applicable rate from your uploaded documents.

Can this handle different day-count conventions?

Yes. CaseMark supports 365-day, 360-day, and 30/360 day-count bases. The AI identifies the correct convention from your loan documents and applies it consistently across all interest calculations and per diem breakdowns.

Does it help with objecting to opposing party claim filings?

Absolutely. CaseMark's validation checklist flags common errors in interest calculations, incorrect rate applications, and improperly included charges. This makes it an invaluable tool for auditing and objecting to opposing creditor proofs of claim.

What charges beyond interest does the tool analyze?

CaseMark evaluates late fees, NSF fees, attorney fees, and other charges through a charge inclusion gate. It checks each fee against contractual provisions and statutory authorities to determine whether they should be included in the total claim amount.

How accurate are the AI-generated calculations?

CaseMark applies the exact formulas and methodologies used in bankruptcy practice, but all outputs should be reviewed by qualified counsel. The built-in validation checklist helps you verify every component of the calculation before filing.

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