[IMP] l10n_us_hr_payroll: For Oklahoma 13.0

l10n_us_hr_payroll/models/hr_payslip.py

@@ -41,6 +41,7 @@ from .state.nj_newjersey import nj_newjersey_state_income_withholding
 from .state.nm_new_mexico import nm_new_mexico_state_income_withholding
 from .state.ny_new_york import ny_new_york_state_income_withholding
 from .state.oh_ohio import oh_ohio_state_income_withholding
+from .state.ok_oklahoma import ok_oklahoma_state_income_withholding
 from .state.sc_south_carolina import sc_south_carolina_state_income_withholding
 from .state.va_virginia import va_virginia_state_income_withholding
 from .state.wa_washington import wa_washington_fml_er, \
@@ -105,6 +106,7 @@ class HRPayslip(models.Model):
             'nm_new_mexico_state_income_withholding': nm_new_mexico_state_income_withholding,
             'ny_new_york_state_income_withholding': ny_new_york_state_income_withholding,
             'oh_ohio_state_income_withholding': oh_ohio_state_income_withholding,
+            'ok_oklahoma_state_income_withholding': ok_oklahoma_state_income_withholding,
             'sc_south_carolina_state_income_withholding': sc_south_carolina_state_income_withholding,
             'va_virginia_state_income_withholding': va_virginia_state_income_withholding,
             'wa_washington_fml_er': wa_washington_fml_er,

l10n_us_hr_payroll/models/state/ok_oklahoma.py

@@ -0,0 +1,47 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from .general import _state_applies, sit_wage
+
+
+def ok_oklahoma_state_income_withholding(payslip, categories, worked_days, inputs):
+    """
+    Returns SIT eligible wage and rate.
+
+    :return: result, result_rate (wage, percent)
+    """
+    state_code = 'OK'
+    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
+
+    if payslip.contract_id.us_payroll_config_value('state_income_tax_exempt'):
+        return 0.0, 0.0
+
+    filing_status = payslip.contract_id.us_payroll_config_value('ok_w4_sit_filing_status')
+    if not filing_status:
+        return 0.0, 0.0
+
+    schedule_pay = payslip.contract_id.schedule_pay
+    additional = payslip.contract_id.us_payroll_config_value('state_income_tax_additional_withholding')
+    allowances = payslip.contract_id.us_payroll_config_value('ok_w4_sit_allowances')
+    allowances_amt = payslip.rule_parameter('us_ok_sit_allowances_rate')[schedule_pay]
+    tax_table = payslip.rule_parameter('us_ok_sit_tax_rate')[filing_status].get(schedule_pay)
+
+    taxable_income = wage - (allowances * allowances_amt)
+    withholding = 0.0
+    last = 0.0
+    for row in tax_table:
+        amt, rate, flat_fee = row
+        if wage <= float(amt):
+            withholding = ((taxable_income - last) * (rate / 100)) + flat_fee
+            break
+        last = amt
+
+    withholding = max(withholding, 0.0)
+    withholding += additional
+    withholding = round(withholding)
+    return wage, -((withholding / wage) * 100.0)

l10n_us_hr_payroll/models/us_payroll_config.py

@@ -235,6 +235,13 @@ class HRContractUSPayrollConfig(models.Model):
     # Ohio will use generic SIT exempt and additional fields
     oh_it4_sit_exemptions = fields.Integer(string='Ohio IT-4 Exemptions',
                                            help='Line 4')
+
+    ok_w4_sit_filing_status = fields.Selection([
+        ('single', 'Single'),
+        ('married', 'Married'),
+        ('head_household', 'Head of Household')
+    ], string='Oklahoma OK-W-4 Filing Status', help='OK-W-4')
+    ok_w4_sit_allowances = fields.Integer(string='Oklahoma OK-W-4 Allowances', help='OK-W-4 1.2.3.')
     sc_w4_sit_allowances = fields.Integer(string='South Carolina SC W-4 Allowances', help='SC W-4 5.')
 
     va_va4_sit_exemptions = fields.Integer(string='Virginia VA-4(P) Personal Exemptions',