IMP l10n_us_hr_payroll for New Mexico 13.0

l10n_us_hr_payroll/models/state/nm_new_mexico.py

@@ -0,0 +1,40 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from .general import _state_applies, sit_wage
+
+
+def nm_new_mexico_state_income_withholding(payslip, categories, worked_days, inputs):
+    """
+    Returns SIT eligible wage and rate.
+
+    :return: result, result_rate (wage, percent)
+    """
+    state_code = 'NM'
+    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
+
+    filing_status = payslip.contract_id.us_payroll_config_value('fed_941_fit_w4_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')
+    tax_table = payslip.rule_parameter('us_nm_sit_tax_rate')[filing_status].get(schedule_pay)
+
+    taxable_income = wage
+    withholding = 0.0
+    last = 0.0
+    for row in tax_table:
+        if taxable_income <= float(row[0]):
+            withholding = row[1] + ((row[2] / 100.0) * (taxable_income - last))
+            break
+        last = row[0]
+
+    withholding = max(withholding, 0.0)
+    withholding += additional
+    return wage, -((withholding / wage) * 100.0)