{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/api-evangelist/tax-reporting-templates/schemas/tax-report",
  "title": "Tax Report",
  "description": "A structured tax reporting document for compliance and regulatory purposes, supporting US federal and state tax filing workflows.",
  "type": "object",
  "required": ["report_type", "tax_year", "filer"],
  "properties": {
    "report_type": {
      "type": "string",
      "description": "Type of tax report",
      "enum": ["1040", "1120", "1065", "W-2", "1099-NEC", "1099-MISC", "941", "940", "720", "2290", "8849", "sales-tax"]
    },
    "tax_year": {
      "type": "integer",
      "description": "Tax year covered by this report",
      "minimum": 2000,
      "maximum": 2100
    },
    "period": {
      "type": "string",
      "description": "Reporting period (annual, quarterly, monthly)",
      "enum": ["annual", "q1", "q2", "q3", "q4", "monthly"]
    },
    "filing_status": {
      "type": "string",
      "description": "Current status of the filing",
      "enum": ["draft", "prepared", "submitted", "accepted", "rejected", "amended"]
    },
    "filer": {
      "$ref": "#/$defs/Filer"
    },
    "income": {
      "$ref": "#/$defs/IncomeSection"
    },
    "deductions": {
      "$ref": "#/$defs/DeductionSection"
    },
    "taxes": {
      "$ref": "#/$defs/TaxSection"
    },
    "payments": {
      "$ref": "#/$defs/PaymentSection"
    },
    "metadata": {
      "$ref": "#/$defs/ReportMetadata"
    }
  },
  "$defs": {
    "Filer": {
      "type": "object",
      "description": "Entity or individual filing the tax report",
      "required": ["name", "tin_type", "tin"],
      "properties": {
        "name": {"type": "string", "description": "Legal name of filer"},
        "tin_type": {
          "type": "string",
          "enum": ["SSN", "EIN", "ITIN"],
          "description": "Type of taxpayer identification number"
        },
        "tin": {
          "type": "string",
          "description": "Taxpayer identification number",
          "pattern": "^[0-9]{3}-?[0-9]{2}-?[0-9]{4}$|^[0-9]{2}-?[0-9]{7}$"
        },
        "address": {"$ref": "#/$defs/Address"},
        "filing_type": {
          "type": "string",
          "enum": ["individual", "joint", "married-separate", "corporation", "partnership", "s-corp", "llc"],
          "description": "Tax filing type"
        }
      }
    },
    "Address": {
      "type": "object",
      "properties": {
        "street": {"type": "string"},
        "city": {"type": "string"},
        "state": {"type": "string", "pattern": "^[A-Z]{2}$"},
        "zip": {"type": "string"},
        "country": {"type": "string", "default": "US"}
      }
    },
    "IncomeSection": {
      "type": "object",
      "description": "Income sources for the tax period",
      "properties": {
        "wages": {"type": "number", "description": "W-2 wages and salaries", "minimum": 0},
        "interest": {"type": "number", "description": "Taxable interest income", "minimum": 0},
        "dividends": {"type": "number", "description": "Ordinary dividends", "minimum": 0},
        "capital_gains": {"type": "number", "description": "Net capital gains or losses"},
        "business_income": {"type": "number", "description": "Schedule C business income or loss"},
        "rental_income": {"type": "number", "description": "Net rental real estate income or loss"},
        "other_income": {"type": "number", "description": "Other taxable income"},
        "total_income": {"type": "number", "description": "Total gross income before adjustments"}
      }
    },
    "DeductionSection": {
      "type": "object",
      "description": "Tax deductions claimed",
      "properties": {
        "standard_deduction": {"type": "number", "minimum": 0, "description": "Standard deduction amount"},
        "itemized_deductions": {"type": "number", "minimum": 0, "description": "Total itemized deductions"},
        "qualified_business_income": {"type": "number", "minimum": 0, "description": "QBI deduction (Sec. 199A)"},
        "total_deductions": {"type": "number", "minimum": 0, "description": "Total deductions claimed"}
      }
    },
    "TaxSection": {
      "type": "object",
      "description": "Tax liability calculations",
      "properties": {
        "taxable_income": {"type": "number", "description": "Adjusted gross income minus deductions"},
        "regular_tax": {"type": "number", "minimum": 0, "description": "Regular income tax liability"},
        "amt": {"type": "number", "minimum": 0, "description": "Alternative minimum tax if applicable"},
        "self_employment_tax": {"type": "number", "minimum": 0, "description": "Self-employment tax"},
        "credits": {"type": "number", "minimum": 0, "description": "Total tax credits"},
        "total_tax": {"type": "number", "minimum": 0, "description": "Total tax liability after credits"},
        "effective_rate": {"type": "number", "minimum": 0, "maximum": 1, "description": "Effective tax rate (0-1)"}
      }
    },
    "PaymentSection": {
      "type": "object",
      "description": "Payments made toward tax liability",
      "properties": {
        "withholding": {"type": "number", "minimum": 0, "description": "Federal income tax withheld"},
        "estimated_payments": {"type": "number", "minimum": 0, "description": "Total estimated tax payments"},
        "total_payments": {"type": "number", "minimum": 0, "description": "Total payments made"},
        "refund_due": {"type": "number", "minimum": 0, "description": "Refund amount if overpaid"},
        "balance_due": {"type": "number", "minimum": 0, "description": "Amount owed if underpaid"}
      }
    },
    "ReportMetadata": {
      "type": "object",
      "description": "Report generation and tracking metadata",
      "properties": {
        "created_at": {"type": "string", "format": "date-time"},
        "modified_at": {"type": "string", "format": "date-time"},
        "preparer_name": {"type": "string", "description": "Tax preparer name if applicable"},
        "preparer_tin": {"type": "string", "description": "Preparer tax identification number (PTIN)"},
        "software": {"type": "string", "description": "Software used to prepare the return"},
        "submission_id": {"type": "string", "description": "IRS MeF submission ID if e-filed"}
      }
    }
  }
}