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36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
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from .general import _state_applies, sit_wage
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def mi_michigan_state_income_withholding(payslip, categories, worked_days, inputs):
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"""
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Returns SIT eligible wage and rate.
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WAGE = GROSS + DED_FIT_EXEMPT
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:return: result, result_rate (wage, percent)
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"""
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state_code = 'MI'
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if not _state_applies(payslip, state_code):
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return 0.0, 0.0
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if payslip.dict.contract_id.us_payroll_config_value('state_income_tax_exempt'):
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return 0.0, 0.0
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# Determine Wage
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wage = sit_wage(payslip, categories)
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if not wage:
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return 0.0, 0.0
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pay_periods = payslip.dict.get_pay_periods_in_year()
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additional = payslip.dict.contract_id.us_payroll_config_value('state_income_tax_additional_withholding')
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exemption_rate = payslip.dict.rule_parameter('us_mi_sit_exemption_rate')
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exemption = payslip.dict.contract_id.us_payroll_config_value('mi_w4_sit_exemptions')
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annual_exemption = (exemption * exemption_rate) / pay_periods
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withholding = ((wage - annual_exemption) * 0.0425)
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if withholding < 0.0:
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withholding = 0.0
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withholding += additional
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return wage, -((withholding / wage) * 100.0)
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