How does it calculate depreciation for assets?

The skill uses built-in rules for straight-line and declining-balance methods based on Japanese tax law, accounting for acquisition cost, useful life, and business use ratio.

Can it handle home-office expense allocations?

Yes, it includes specialized logic for 'Geidai-Yachin' (rent and utilities) to calculate and register the business portion of home-office expenses.

What happens if I stop the session mid-way?

The skill saves its progress to a .shinkoku/progress/ directory, allowing you to resume exactly where you left off in a future session.

What type of tax filings does this skill support?

It is designed for Japanese individual business owners (Sole Proprietorships) filing Blue Returns (青色申告), supporting the 100k, 550k, and 650k yen deduction categories.

Do I need to enter all my daily receipts with this skill?

No, this skill assumes daily bookkeeping is completed via the 'journal' skill. This skill specifically handles the year-end adjustments required to close the books.

Year-End Tax Settlement & Financials

Name: Year-End Tax Settlement & Financials
Author: kazukinagata

bykazukinagata

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323

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Productivity & Workflow

Automates year-end closing adjustments and generates professional financial statements for Japanese tax filing.

The Settlement skill is a specialized component of the Shinkoku AI agent designed to bridge the gap between daily bookkeeping and official Japanese tax returns. It systematically guides users through complex year-end processes including depreciation calculations, inventory valuation, accrual adjustments, and rent allocation. By interacting with the underlying ledger database, it generates accurate Trial Balances, Balance Sheets (BS), and Profit & Loss (PL) statements, ensuring all accounts are reconciled and ready for Blue Return (青色申告) submission.

Key Features

01Systematic processing of accrued expenses and prepaid items.

02323 GitHub stars

03Automated depreciation calculation based on Japanese tax useful life rules.

04Instant generation of Balance Sheets and Profit & Loss statements.

05Inventory adjustment and Cost of Goods Sold (COGS) calculation.

06Persistent progress tracking for multi-session accounting workflows.

Use Cases

01Calculating annual asset depreciation and updating book values.

02Verifying trial balances and reconciling account discrepancies before tax submission.

03Finalizing year-end adjustments for Japanese Blue Return (青色申告) tax filing.

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add kazukinagata/shinkoku settlement

For use in Claude.ai and ChatGPT

Download Skill