category : income_classification rules : 1 jp.crypto.income.classification.individual [current] : 個人の暗号資産取引による所得の区分 General tax-system information from public sources only (NTA crypto-asset tax FAQ, e-Gov statute texts, MOF tax-reform documents) — not tax advice. access : free — GET https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/v1/rules?category=income_classification