Mexican Payroll & Tax Calculator

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['daily_salary', 'days_worked'], 'properties': {'year': {'type': 'integer', 'default': 2026, 'description': 'Tax-table year.'}, 'days_worked': {'type': 'integer', 'description': 'Days worked in the year.'}, 'daily_salary': {'type': 'number', 'description': 'Daily salary (MXN).'}, 'aguinaldo_days': {'type': 'integer', 'description': 'Aguinaldo days (defaults to the legal 15).'}, 'paid_in_january': {'type': 'boolean', 'default': False, 'description': 'January UMA boundary.'}, 'monthly_ordinary_salary': {'type': 'number', 'description': 'Monthly ordinary salary for ISR (defaults to daily x 30.4).'}}}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['termination_type', 'daily_salary', 'hire_date', 'termination_date'], 'properties': {'year': {'type': 'integer', 'default': 2026, 'description': 'Tax-table year.'}, 'zone': {'enum': ['general', 'zlfn'], 'type': 'string', 'default': 'general', 'description': 'Minimum-wage zone.'}, 'hire_date': {'type': 'string', 'description': 'Hire date, YYYY-MM-DD.'}, 'deductions': {'type': 'array', 'items': {'type': 'object', 'required': ['concept', 'amount'], 'properties': {'amount': {'type': 'number'}, 'concept': {'type': 'string'}}}, 'description': 'Optional pass-through deductions.'}, 'daily_salary': {'type': 'number', 'description': 'Daily salary (MXN).'}, 'pending_days': {'type': 'integer', 'default': 0, 'description': 'Unpaid worked days pending.'}, 'paid_in_january': {'type': 'boolean', 'default': False, 'description': 'January UMA boundary.'}, 'termination_date': {'type': 'string', 'description': 'Termination date, YYYY-MM-DD.'}, 'termination_type': {'enum': ['dismissal', 'resignation'], 'type': 'string', 'description': 'Type of separation.'}, 'vacation_proration': {'enum': ['anniversary', 'calendar_year'], 'type': 'string', 'default': 'anniversary', 'description': 'Vacation proration basis.'}, 'prima_vacacional_pct': {'type': 'number', 'description': 'Vacation premium percentage (defaults to the legal 25%).'}, 'monthly_ordinary_salary': {'type': 'number', 'description': 'Monthly ordinary salary for ISR (defaults to daily x 30.4).'}, 'include_20_days_per_year': {'type': 'boolean', 'default': True, 'description': 'Include the 20-day/year dismissal indemnity.'}}}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['rt_premium'], 'properties': {'sdi': {'type': 'number', 'description': 'Explicit integrated daily wage, if not deriving from salary.'}, 'days': {'type': 'integer', 'default': 1, 'description': 'Number of days to bill.'}, 'year': {'type': 'integer', 'default': 2026, 'description': 'Tax-table year.'}, 'zone': {'enum': ['general', 'zlfn'], 'type': 'string', 'default': 'general', 'description': 'Minimum-wage zone.'}, 'rt_premium': {'type': 'number', 'description': 'Work-risk premium (fraction, e.g. 0.005).'}, 'daily_salary': {'type': 'number', 'description': 'Daily salary (MXN); with seniority_years derives the SDI.'}, 'paid_in_january': {'type': 'boolean', 'default': False, 'description': 'January UMA boundary.'}, 'seniority_years': {'type': 'integer', 'description': 'Completed years of seniority (for the SDI integration factor).'}}}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['income'], 'properties': {'year': {'type': 'integer', 'default': 2026, 'description': 'Tax-table year.'}, 'income': {'type': 'number', 'description': 'Gross income for the period (MXN).'}, 'period': {'enum': ['monthly', 'annual'], 'type': 'string', 'default': 'monthly', 'description': 'Tax period.'}, 'paid_in_january': {'type': 'boolean', 'default': False, 'description': 'January UMA boundary (2025 vs 2026 tables).'}}}