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Jp Statutory

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com.mart402/jp-statutoryv1.0.0 Domain verified

Japan statutory calculations: net pay, social insurance, tax walls, holidays. Cited sources, x402.

Legal & Government Finance & Payments

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https://mart402.com/mcp/jp

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get_catalog Read-only

Mart402 product catalog: all products, prices, payment config, error codes, rate limits. Free.

This tool takes no arguments.

Jp Statutory MCP server | mcptry

Tools (16)

get_catalog

Mart402 product catalog: all products, prices, payment config, error codes, rate limits. Free.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

get_receipt

Re-fetch a previously paid result for free by receipt id (every paid response carries receipt_id).

read-only

Argument	Type	Description
receipt_id*	string	receipt_id from a paid response (rcpt_...)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "receipt_id"
  ],
  "properties": {
    "receipt_id": {
      "type": "string",
      "description": "receipt_id from a paid response (rcpt_...)"
    }
  }
}

get_sample

Free recorded sample response for a paid product (from real production runs, marked sample:true) - see the exact response shape before paying anything. Available: document-pipeline, enrich, extract, jp-bonus-net, jp-business-days, jp-company, jp-consumption-tax, jp-crypto-tax, jp-dependent-threshold, jp-mortgage, jp-overtime-wage, jp-payroll-net, jp-payroll-suite, jp-payslip-audit, jp-retirement-tax, jp-social-insurance, meal-vision, ocr, parse, pdf-info, pdf-merge, pdf-pages, portrait-analysis, report-pack, structured, style-profile, style-report, verify.

read-only

Argument	Type	Description
product*	string	One of: document-pipeline, enrich, extract, jp-bonus-net, jp-business-days, jp-company, jp-consumption-tax, jp-crypto-tax, jp-dependent-threshold, jp-mortgage, jp-overtime-wage, jp-payroll-net, jp-payroll-suite, jp-payslip-audit, jp-retirement-tax, jp-social-insurance, meal-vision, ocr, parse, pdf-info, pdf-merge, pdf-pages, portrait-analysis, report-pack, structured, style-profile, style-report, verify. Product id (see the enum)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "product"
  ],
  "properties": {
    "product": {
      "enum": [
        "document-pipeline",
        "enrich",
        "extract",
        "jp-bonus-net",
        "jp-business-days",
        "jp-company",
        "jp-consumption-tax",
        "jp-crypto-tax",
        "jp-dependent-threshold",
        "jp-mortgage",
        "jp-overtime-wage",
        "jp-payroll-net",
        "jp-payroll-suite",
        "jp-payslip-audit",
        "jp-retirement-tax",
        "jp-social-insurance",
        "meal-vision",
        "ocr",
        "parse",
        "pdf-info",
        "pdf-merge",
        "pdf-pages",
        "portrait-analysis",
        "report-pack",
        "structured",
        "style-profile",
        "style-report",
        "verify"
      ],
      "type": "string",
      "description": "One of: document-pipeline, enrich, extract, jp-bonus-net, jp-business-days, jp-company, jp-consumption-tax, jp-crypto-tax, jp-dependent-threshold, jp-mortgage, jp-overtime-wage, jp-payroll-net, jp-payroll-suite, jp-payslip-audit, jp-retirement-tax, jp-social-insurance, meal-vision, ocr, parse, pdf-info, pdf-merge, pdf-pages, portrait-analysis, report-pack, structured, style-profile, style-report, verify. Product id (see the enum)"
    }
  }
}

jp_bonus_net

Bonus net pay: social insurance and withholding tax (official rate table, based on previous month salary). $0.01/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Choose this for ONE bonus payment: its social insurance and withholding tax (the tax rate depends on the previous month's salary after social insurance). For annual totals use jp_payroll_net.

Argument	Type	Description
age	integer	Age in years (selects care-insurance and other age-gated rules)
as_of	string	Calculation reference date YYYY-MM-DD (default today); selects the rules version
bonus_yen*	integer	Bonus amount in yen
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
dependents	integer	Dependents object (see /catalog input spec)
prefecture*	string	Prefecture (romaji or Japanese), e.g. 'Tokyo'
ytd_bonus_yen	integer	Bonus paid so far in the fiscal year (health-insurance annual cap check)
previous_month_after_si_yen

jp_business_days

Japanese holidays, business-day arithmetic, statutory filing deadlines with holiday shift, wareki conversion. $0.003/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Required by mode (default add): add -> from, days; between -> from, to; holidays -> year; deadline -> kind, base_date; wareki -> date.

Argument	Type	Description
to	string	End date YYYY-MM-DD
date	string	Date YYYY-MM-DD
days	integer	Number of business days to add
from	string	Start date YYYY-MM-DD
kind	string	One of: withholding_tax_monthly, social_insurance_monthly, corporate_tax, consumption_tax_corporate, income_tax_final, consumption_tax_individual, depreciable_assets, legal_records. Statutory deadline kind (see enum)
mode	string	Required by mode (default add): add -> from, days; between -> from, to; holidays -> year; deadline -> kind, base_date; wareki -> date.
year	integer	Calendar year
base_date	string	Base date YYYY-MM-DD for deadline calculation
x_payment

jp_company_profile

Japanese company site to a standard profile JSON (name, address, representative, capital, contact). $0.03/site. Choose this when you have the URL of a Japanese company's OWN site and want its standard profile fields read from the page; for name/domain lookups use enrich_company (country_hint: jp).

Argument	Type	Description
url*	string	Absolute http(s) URL of the input (web page or PDF, per tool)
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "description": "Absolute http(s) URL of the input (web page or PDF, per tool)"
    },
    "x_payment": {
      "type": "string",
      "description": "Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged."
    }
  }
}

jp_consumption_tax

Consumption tax: per-rate invoice rounding, qualified-invoice validation, simplified taxation, 20% special. $0.01/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Required by mode (default invoice_totals): invoice_totals -> lines; validate_invoice -> document; simplified -> taxable_sales_excl_yen, category; two_percent -> taxable_sales_excl_yen, taxable_period_start, taxable_period_end.

Argument	Type	Description
mode	string	Required by mode (default invoice_totals): invoice_totals -> lines; validate_invoice -> document; simplified -> taxable_sales_excl_yen, category; two_percent -> taxable_sales_excl_yen, taxable_period_start, taxable_period_end.
as_of	string	Calculation reference date YYYY-MM-DD (default today); selects the rules version
lines	array	Invoice lines [{amount_yen, qty, rate_key: standard\|reduced}]
category	string	Simplified-taxation business class 1-6
document	object	Qualified-invoice fields to validate (registration_number etc.)
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
taxable_period_end	string

jp_crypto_tax

Japan crypto-asset tax: realized income under the NTA total-average or moving-average method (sell/spend/exchange as disposals, fees deductible), verified against the official NTA FAQ examples. $0.05/call. Deterministic, cites primary sources; errors and unverified rules are never billed.

Argument	Type	Description
year	integer	Calendar year
as_of	string	Calculation reference date YYYY-MM-DD (default today); selects the rules version
method	string	One of: total_average, moving_average. Cost method: total_average or moving_average
opening	array	Carried-over holdings [{asset, qty, cost_jpy}]
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
transactions*	array	Crypto transactions list (max 300) - see /catalog input spec
other_taxable_income_yen	integer	Other taxable income in yen (returns incremental income tax as reference)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "transactions"
  ],
  "properties": {
    "year": {
      "type": "integer",
      "default": 2026,
      "description": "Calendar year"
    },
    "as_of": {
      "type": "string",
      "format": "date",
      "description": "Calculation reference date YYYY-MM-DD (default today); selects the rules version"
    },
    "method": {
      "enum": [
        "total_average",
        "moving_average"
      ],
      "type": "string",
      "default": "total_average",
      "description": "One of: total_average, moving_average. Cost method: total_average or moving_average"
    },
    "opening": {
      "type": "array",
      "description": "Carried-over holdings [{asset, qty, cost_jpy}]"
    },
    "x_payment": {
      "type": "string",
      "description": "Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged."
    },
    "transactions": {
      "type": "array",
      "description": "Crypto transactions list (max 300) - see /catalog input spec"
    },
    "other_taxable_income_yen": {
      "type": "integer",
      "description": "Other taxable income in yen (returns incremental income tax as reference)"
    }
  }
}

jp_dependent_threshold

Income-wall analysis: tax, social insurance (1.06M/1.30M), spousal and student-dependent walls. $0.02/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Choose this for 'how much can be earned before ...' questions: it locates the income walls (tax, social insurance, spousal, student dependent) for an annual income. It does not compute take-home pay (use jp_payroll_net).

Argument	Type	Description
year	integer	Calendar year
as_of	string	Calculation reference date YYYY-MM-DD (default today); selects the rules version
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
annual_income_yen*	integer	Expected annual income in yen

Input schema (JSON)

{
  "type": "object",
  "required": [
    "annual_income_yen"
  ],
  "properties": {
    "year": {
      "type": "integer",
      "default": 2026,
      "description": "Calendar year"
    },
    "as_of": {
      "type": "string",
      "format": "date",
      "description": "Calculation reference date YYYY-MM-DD (default today); selects the rules version"
    },
    "x_payment": {
      "type": "string",
      "description": "Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged."
    },
    "annual_income_yen": {
      "type": "integer",
      "description": "Expected annual income in yen"
    }
  }
}

jp_mortgage

Mortgage schedules (level payment/principal), total interest, prepayment effect. $0.005/call. Deterministic, cites primary sources; errors and unverified rules are never billed.

Argument	Type	Description
method	string	One of: level_payment, level_principal. Cost method: total_average or moving_average
months*	integer	Loan term in months
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
prepayment	object	Optional prepayment {at_month, amount_yen, mode: reduce_term\|reduce_payment}
annual_rate*	number	Annual interest rate as a decimal, e.g. 0.01
principal_yen*	integer	Loan principal in yen

Input schema (JSON)

{
  "type": "object",
  "required": [
    "principal_yen",
    "annual_rate",
    "months"
  ],
  "properties": {
    "method": {
      "enum": [
        "level_payment",
        "level_principal"
      ],
      "type": "string",
      "default": "level_payment",
      "description": "One of: level_payment, level_principal. Cost method: total_average or moving_average"
    },
    "months": {
      "type": "integer",
      "description": "Loan term in months"
    },
    "x_payment": {
      "type": "string",
      "description": "Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged."
    },
    "prepayment": {
      "type": "object",
      "description": "Optional prepayment {at_month, amount_yen, mode: reduce_term|reduce_payment}"
    },
    "annual_rate": {
      "type": "number",
      "description": "Annual interest rate as a decimal, e.g. 0.01"
    },
    "principal_yen": {
      "type": "integer",
      "description": "Loan principal in yen"
    }
  }
}

jp_overtime_wage

Overtime premium pay (Labor Standards Act Art.37, official rounding notice) and Article-36 limit check. $0.015/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Required by mode (default pay): pay -> monthly_salary_yen, monthly_scheduled_hours, hours; check36 -> monthly_overtime_hours.

Argument	Type	Description
mode	string	Required by mode (default pay): pay -> monthly_salary_yen, monthly_scheduled_hours, hours; check36 -> monthly_overtime_hours.
hours	object	Hours worked
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
monthly_salary_yen	integer	Monthly base salary in yen
monthly_overtime_hours	array	List of monthly overtime hours (36-agreement check)
monthly_scheduled_hours	number	Scheduled working hours per month

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "mode": {
      "enum": [
        "pay",
        "check36"
      ],
      "type": "string",
      "default": "pay",
      "description": "Required by mode (default pay): pay -> monthly_salary_yen, monthly_scheduled_hours, hours; check36 -> monthly_overtime_hours."
    },
    "hours": {
      "type": "object",
      "description": "Hours worked"
    },
    "x_payment": {
      "type": "string",
      "description": "Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged."
    },
    "monthly_salary_yen": {
      "type": "integer",
      "description": "Monthly base salary in yen"
    },
    "monthly_overtime_hours": {
      "type": "array",
      "description": "List of monthly overtime hours (36-agreement check)"
    },
    "monthly_scheduled_hours": {
      "type": "number",
      "description": "Scheduled working hours per month"
    }
  }
}

jp_payroll_net

Annual gross salary to net take-home (social insurance + income tax + resident tax). Exact NTA Beppyo-5 table. $0.02/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Choose this for a whole YEAR: annual gross salary to annual take-home after social insurance, income tax and resident tax. For one bonus use jp_bonus_net; for one month's premiums only use jp_social_insurance; to check an actual payslip use jp_payslip_audit.

Argument	Type	Description
age	integer	Age in years (selects care-insurance and other age-gated rules)
year	integer	Calendar year
as_of	string	Calculation reference date YYYY-MM-DD (default today); selects the rules version
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
dependents	object	Dependents object (see /catalog input spec)
prefecture*	string	Prefecture (romaji or Japanese), e.g. 'Tokyo'
annual_bonus_yen	integer	Annual bonus total in yen
annual_gross_yen

jp_payroll_suite

Japan payroll suite: net salary + social insurance + income walls (+bonus) in one call. Flat $0.05. Choose this when you want take-home pay, social insurance and the income walls (and the bonus, if given) together from one annual figure in one call; if you only need the take-home amount, jp_payroll_net is cheaper.

Argument	Type	Description
age	integer	Age in years (selects care-insurance and other age-gated rules)
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
dependents	object	Dependents object (see /catalog input spec)
prefecture*	string	Prefecture (romaji or Japanese), e.g. 'Tokyo'
annual_bonus_yen	integer	Annual bonus total in yen
annual_gross_yen*	integer	Annual gross salary in yen
previous_month_after_si_yen	integer	Previous month's pay after social insurance (withholding table lookup)

Input schema (JSON)

jp_payslip_audit

Audit a Japanese payslip: recompute statutory premiums and withholding tax from official tables and diff against the actual amounts, with per-item verdicts (match/explainable/mismatch). $0.02/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Choose this when you HAVE an actual payslip and want each deduction checked against the official tables (match/explainable/mismatch); to compute expected amounts from a salary alone use jp_payroll_net or jp_social_insurance.

Argument	Type	Description
age	integer	Age in years (selects care-insurance and other age-gated rules)
as_of	string	Calculation reference date YYYY-MM-DD (default today); selects the rules version
payslip*	object	Payslip fields to audit - see /catalog input spec
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
prefecture*	string	Prefecture (romaji or Japanese), e.g. 'Tokyo'
standard_monthly_yen	integer	Standard monthly remuneration if known (else estimated from salary)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "prefecture",
    "payslip"
  ],
  "properties": {
    "age": {
      "type": "integer",
      "default": 30,
      "description": "Age in years (selects care-insurance and other age-gated rules)"
    },
    "as_of": {
      "type": "string",
      "format": "date",
      "description": "Calculation reference date YYYY-MM-DD (default today); selects the rules version"
    },
    "payslip": {
      "type": "object",
      "required": [
        "monthly_gross_yen"
      ],
      "properties": {
        "monthly_gross_yen": {
          "type": "integer"
        }
      },
      "description": "Payslip fields to audit - see /catalog input spec"
    },
    "x_payment": {
      "type": "string",
      "description": "Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged."
    },
    "prefecture": {
      "type": "string",
      "description": "Prefecture (romaji or Japanese), e.g. 'Tokyo'"
    },
    "standard_monthly_yen": {
      "type": "integer",
      "description": "Standard monthly remuneration if known (else estimated from salary)"
    }
  }
}

jp_retirement_tax

Retirement income tax: deduction by years of service, half-taxation rules, exact withholding rounding. $0.02/call. Deterministic, cites primary sources; errors and unverified rules are never billed.

Argument	Type	Description
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
disability	boolean	True if retirement is due to disability (extra deduction)
is_officer	boolean	True for an officer/executive (short-service officer rules)
payout_yen*	integer	Retirement allowance paid, in yen
years_of_service*	integer	Years of service (retirement income deduction)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "payout_yen",
    "years_of_service"
  ],
  "properties": {
    "x_payment": {
      "type": "string",
      "description": "Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged."
    },
    "disability": {
      "type": "boolean",
      "default": false,
      "description": "True if retirement is due to disability (extra deduction)"
    },
    "is_officer": {
      "type": "boolean",
      "default": false,
      "description": "True for an officer/executive (short-service officer rules)"
    },
    "payout_yen": {
      "type": "integer",
      "description": "Retirement allowance paid, in yen"
    },
    "years_of_service": {
      "type": "integer",
      "description": "Years of service (retirement income deduction)"
    }
  }
}

jp_social_insurance

Monthly social insurance premiums from the official Kyokai-Kenpo grade table (FY2026). $0.01/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Choose this when you only need the monthly social insurance premiums for a given monthly remuneration (official grade table); no tax is computed - for take-home pay use jp_payroll_net.

Argument	Type	Description
age	integer	Age in years (selects care-insurance and other age-gated rules)
as_of	string	Calculation reference date YYYY-MM-DD (default today); selects the rules version
x_payment	string	Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged.
prefecture*	string	Prefecture (romaji or Japanese), e.g. 'Tokyo'
monthly_remuneration_yen*	integer	Monthly remuneration in yen (grade table lookup)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "monthly_remuneration_yen",
    "prefecture"
  ],
  "properties": {
    "age": {
      "type": "integer",
      "default": 30,
      "description": "Age in years (selects care-insurance and other age-gated rules)"
    },
    "as_of": {
      "type": "string",
      "format": "date",
      "description": "Calculation reference date YYYY-MM-DD (default today); selects the rules version"
    },
    "x_payment": {
      "type": "string",
      "description": "Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged."
    },
    "prefecture": {
      "type": "string",
      "description": "Prefecture (romaji or Japanese), e.g. 'Tokyo'"
    },
    "monthly_remuneration_yen": {
      "type": "integer",
      "description": "Monthly remuneration in yen (grade table lookup)"
    }
  }
}

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "to": {
      "type": "string",
      "format": "date",
      "description": "End date YYYY-MM-DD"
    },
    "date": {
      "type": "string",
      "format": "date",
      "description": "Date YYYY-MM-DD"
    },
    "days": {
      "type": "integer",
      "description": "Number of business days to add"
    },
    "from": {
      "type": "string",
      "format": "date",
      "description": "Start date YYYY-MM-DD"
    },
    "kind": {
      "enum": [
        "withholding_tax_monthly",
        "social_insurance_monthly",
        "corporate_tax",
        "consumption_tax_corporate",
        "income_tax_final",
        "consumption_tax_individual",
        "depreciable_assets",
        "legal_records"
      ],
      "type": "string",
      "description": "One of: withholding_tax_monthly, social_insurance_monthly, corporate_tax, consumption_tax_corporate, income_tax_final, consumption_tax_individual, depreciable_assets, legal_records. Statutory deadline kind (see enum)"
    },
    "mode": {
      "enum": [
        "add",
        "between",
        "holidays",
        "deadline",
        "wareki"
      ],
      "type": "string",
      "default": "add",
      "description": "Required by mode (default add): add -> from, days; between -> from, to; holidays -> year; deadline -> kind, base_date; wareki -> date."
    },
    "year": {
      "type": "integer",
      "description": "Calendar year"
    },
    "base_date": {
      "type": "string",
      "format": "date",
      "description": "Base date YYYY-MM-DD for deadline calculation"
    },
    "x_payment": {
      "type": "string",
      "description": "Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged."
    },
    "saturday_off": {
      "type": "boolean",
      "default": true,
      "description": "Treat Saturdays as non-business days (default true)"
    }
  }
}

{
  "type": "object",
  "required": [
    "annual_gross_yen",
    "prefecture"
  ],
  "properties": {
    "age": {
      "type": "integer",
      "description": "Age in years (selects care-insurance and other age-gated rules)"
    },
    "x_payment": {
      "type": "string",
      "description": "Optional: base64 X-PAYMENT header value (x402 exact scheme, USDC on Base mainnet). Omit it to receive the payment requirements (accepts[] + docs) for this call without being charged."
    },
    "dependents": {
      "type": "object",
      "description": "Dependents object (see /catalog input spec)"
    },
    "prefecture": {
      "type": "string",
      "description": "Prefecture (romaji or Japanese), e.g. 'Tokyo'"
    },
    "annual_bonus_yen": {
      "type": "integer",
      "description": "Annual bonus total in yen"
    },
    "annual_gross_yen": {
      "type": "integer",
      "description": "Annual gross salary in yen"
    },
    "previous_month_after_si_yen": {
      "type": "integer",
      "description": "Previous month's pay after social insurance (withholding table lookup)"
    }
  }
}