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suite/l10n_us_hr_payroll/models/state/ct_connecticut.py

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2.8 KiB
Python

# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
from .general import _state_applies, sit_wage
def ct_connecticut_state_income_withholding(payslip, categories, worked_days, inputs):
"""
Returns SIT eligible wage and rate.
:return: result, result_rate (wage, percent)
"""
state_code = 'CT'
if not _state_applies(payslip, state_code):
return 0.0, 0.0
# Determine Wage
wage = sit_wage(payslip, categories)
if not wage:
return 0.0, 0.0
pay_periods = payslip.dict.get_pay_periods_in_year()
additional = payslip.contract_id.us_payroll_config_value('state_income_tax_additional_withholding')
withholding_code = payslip.contract_id.us_payroll_config_value('ct_w4na_sit_code')
exemption_table = payslip.rule_parameter('us_ct_sit_personal_exemption_rate').get(withholding_code, [('inf', 0.0)])
initial_tax_tbl = payslip.rule_parameter('us_ct_sit_initial_tax_rate').get(withholding_code, [('inf', 0.0, 0.0)])
tax_table = payslip.rule_parameter('us_ct_sit_tax_rate').get(withholding_code, [('inf', 0.0)])
recapture_table = payslip.rule_parameter('us_ct_sit_recapture_rate').get(withholding_code, [('inf', 0.0)])
decimal_table = payslip.rule_parameter('us_ct_sit_decimal_rate').get(withholding_code, [('inf', 0.0)])
annual_wages = wage * pay_periods
personal_exemption = 0.0
for bracket in exemption_table:
if annual_wages <= float(bracket[0]):
personal_exemption = bracket[1]
break
withholding = 0.0
taxable_income = annual_wages - personal_exemption
if taxable_income < 0.0:
taxable_income = 0.0
if taxable_income:
initial_tax = 0.0
last = 0.0
for bracket in initial_tax_tbl:
if taxable_income <= float(bracket[0]):
initial_tax = bracket[1] + ((bracket[2] / 100.0) * (taxable_income - last))
break
last = bracket[0]
tax_add_back = 0.0
for bracket in tax_table:
if annual_wages <= float(bracket[0]):
tax_add_back = bracket[1]
break
recapture_amount = 0.0
for bracket in recapture_table:
if annual_wages <= float(bracket[0]):
recapture_amount = bracket[1]
break
withholding = initial_tax + tax_add_back + recapture_amount
decimal_amount = 1.0
for bracket in decimal_table:
if annual_wages <= float(bracket[0]):
decimal_amount= bracket[1]
break
withholding = withholding * (1.00 - decimal_amount)
if withholding < 0.0:
withholding = 0.0
withholding /= pay_periods
withholding += additional
return wage, -((withholding / wage) * 100.0)