Audit Finding
OpenWrong deduction classification
Claude for Small Business

Federal Module -- Schedule C Deductions -- Wrong deduction classification

The Claim
Claude categorized employer-reimbursed business travel as deductible consulting travel on Schedule C, treating both as generic 'travel' without distinguishing reimbursement status, and miscategorized a $600 software subscription as 'Supplies' instead of 'Other Expenses.'
The Error
Employer-reimbursed travel expenses are not deductible on Schedule C because the taxpayer incurred no out-of-pocket cost; only unreimbursed ordinary and necessary business expenses qualify under IRC §162(a). Additionally, software subscriptions are properly reported on Schedule C Line 27a ('Other Expenses') per IRS Publication 535, not as 'Supplies' on Line 22, making the $600 miscategorization a wrong-line placement error.
The Citation
IRC §162(a); IRS Publication 535 (Business Expenses); Schedule C, Line 22 (Supplies) vs. Line 27a (Other Expenses)
Business Impact
A freelancer or sole proprietor who relies on Claude's categorization could improperly deduct reimbursed travel—creating phantom deductions that inflate Schedule C losses, triggering IRS scrutiny, potential accuracy-related penalties under IRC §6662, and possible repayment of taxes owed.
Verdict
KKATC Tax Response
Note
Sourced from twitter candidate: https://claudeblattman.com/tax-workflow/case-study/what-ai-got-wrong/
#federal#IRC §162#Schedule C#wrong deduction classification#Claude
Share This Entry
AI tax error documented by @KKATCOfficial Audit Watchdog: Wrong deduction classification -- IRC §162(a); IRS Publication 535 (Business Expenses); Schedule C, Line 22 (Supplies) vs. Line 27a (Other Expenses). Full record: https://www.kkatc.com/watchdog/claude-small-business/claude-categorized-employer-reimbursed-business-travel-as #IRSCode #SmallBusiness #TaxCompliance #AIAccountability #AuditWatchdog #KKATC #ClaudeAI #ClaudeForSmallBusiness #Anthropic
Share on X →
KKATC Tax Prep and Consulting
This scenario is covered.
If AI gave you advice like this, a review costs less than the penalty. Twelve years of Fortune-level corporate tax experience.
Book a Consultation →
KKATC Audit Watchdog documents specific AI outputs against specific regulatory citations. The standard is the IRC, Treasury Regulations, and state code -- not professional opinion. KKATC is not a licensed CPA firm. Always consult a CPA or enrolled agent for advice specific to your situation.