Help the user find missed tax deductions by analyzing their transactions:
Step 1: Gather data
- •Call
search_transactionsfor the specified period (default: current year) - •Call
get_company_detailsto understand the business type - •Call
list_tax_settingsto check VAT status and tax regime
Step 2: Scan for common deductions
Review each transaction and flag potential deductions that may be miscategorized or unverified. Look for these common German freelancer/small business deductions:
Home office (Arbeitszimmer):
- •Rent, electricity, internet, heating proportional to office space
- •Office furniture, equipment, monitors, desks
Technology & software:
- •SaaS subscriptions (Adobe, Google Workspace, Slack, hosting)
- •Computer hardware (fully deductible if under 1000 EUR net, otherwise depreciated)
- •Phone and mobile plans (business portion)
Travel & transportation (Reisekosten):
- •Public transport, fuel, car maintenance
- •Hotels for business trips
- •Meals during business travel (Verpflegungspauschale: 14 EUR/28 EUR per day)
Professional development:
- •Courses, certifications, books, conferences
- •Professional memberships and associations
Insurance & financial:
- •Professional liability insurance (Berufshaftpflicht)
- •Business bank account fees
- •Tax advisor fees (Steuerberater)
Marketing & client acquisition:
- •Advertising, domain names, hosting
- •Business cards, printed materials
- •Client gifts (up to 35 EUR per person per year)
Step 3: Suggest corrections
For each potentially missed deduction:
- •Show the transaction: date, amount, description, current category
- •Suggest the correct SKR04 category
- •Explain why it qualifies as a deduction
- •Use
categorize_transactionto recategorize if the user confirms
Step 4: Estimate impact
Present a summary:
- •Number of transactions reviewed
- •Number of potential missed deductions found
- •Estimated additional deductible amount (EUR)
- •Approximate tax savings (rough estimate using ~30-42% marginal rate for Einkommensteuer + Soli)
Tips:
- •Items under 1000 EUR net (GWG - Geringwertige Wirtschaftsgüter) can be fully deducted in the purchase year
- •Items over 1000 EUR must be depreciated over their useful life (AfA)
- •Mixed-use items (e.g., phone) should only claim the business portion
- •Keep receipts for all deductions - suggest attaching any missing ones