form-4684

Compute Form 4684 casualty and theft loss drafts with IRS citations.

1|Updated Apr 27, 2026
One-click install
npx skills add https://github.com/jupid-tax/jupid-skills --skill form-4684
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: form-4684
Source: https://github.com/jupid-tax/jupid-skills/tree/main/forms/form-4684
Command: npx skills add https://github.com/jupid-tax/jupid-skills --skill form-4684

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Drafts a complete Form 4684 casualty/theft loss for individuals and small businesses, ensuring correct handling of basis, FMV, insurance reimbursements, floors, and disaster declarations to produce a CPA-auditable draft.

Core Features & Use Cases

  • Auto-generates Form 4684 Section A (personal-use) when a federally declared disaster applies, including FEMA disaster numbers.
  • Supports Section B for business and income-producing property, including per-item calculations and Form 4797/Schedule A flow.
  • Handles Section D disaster-year election decisions and cross-form implications to save time and reduce errors.
  • Validates inputs against IRS rules, citing sources and linking to relevant public guidance.

Quick Start

Provide loss details for one or more items, including dates, basis, FMV before/after, and insurance, and the skill will output a draft Form 4684 ready for review.

Frequently Asked Questions about form-4684

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I calculate casualty loss for a FEMA declared disaster on my taxes?

Form 4684 Section A covers personal-use casualty losses from federally declared disasters, requiring FEMA disaster numbers, basis, fair market value before and after, insurance reimbursements, and applicable floors to compute the deductible amount.

How do I report business casualty and theft losses on income-producing property?

Business casualty and theft losses for income-producing property are calculated on Form 4684 Section B, performing per-item calculations that flow to Form 4797 or Schedule A for accurate tax reporting.

Can I make a disaster-year election to deduct a casualty loss in the previous tax year?

Yes, Form 4684 Section D handles disaster-year election decisions, allowing you to deduct a current-year casualty loss in the preceding tax year by evaluating cross-form implications for federally declared disasters.

What is needed to draft an audit-ready casualty loss form for multiple items?

Drafting an audit-ready casualty loss form requires loss details per item, including dates, basis, fair market value before and after, and insurance reimbursements, producing a mathematically traceable draft validated against IRS instructions.

Does a casualty loss calculation need to cite IRS references for audit validation?

Yes, audit-ready casualty loss calculations must cite IRS references and public guidance. Validating inputs against official Form 4684 instructions ensures a mathematically traceable, CPA-auditable draft for tax return attachment.