From a32b4630762218cbe883540bc15d9825b920f2fe Mon Sep 17 00:00:00 2001
From: Jared Self <jself@hibou.io>
Date: Wed, 13 Jan 2021 17:39:12 -0700
Subject: [PATCH] VT Vermont

---
 l10n_us_hr_payroll/data/state/vt_vermont.xml  | 114 ++++++++++++++++++
 .../tests/test_us_vt_vermont_payslip_2021.py  |  37 ++++++
 2 files changed, 151 insertions(+)
 create mode 100755 l10n_us_hr_payroll/tests/test_us_vt_vermont_payslip_2021.py

diff --git a/l10n_us_hr_payroll/data/state/vt_vermont.xml b/l10n_us_hr_payroll/data/state/vt_vermont.xml
index 74f1a491..9ee8c497 100644
--- a/l10n_us_hr_payroll/data/state/vt_vermont.xml
+++ b/l10n_us_hr_payroll/data/state/vt_vermont.xml
@@ -12,6 +12,11 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_vt_suta_wage_base"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <record id="rule_parameter_us_vt_suta_wage_base_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">14100.0</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_vt_suta_wage_base"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
 
     <!-- Rate -->
@@ -21,6 +26,7 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
+        <!-- Unchanged in 2021 https://labor.vermont.gov/unemployment-insurance/ui-employers/unemployment-tax-rates -->
         <record id="rule_parameter_us_vt_suta_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">1.0</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_vt_suta_rate"/>
@@ -46,6 +52,19 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_vt_sit_allowances_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <!-- https://tax.vermont.gov/sites/tax/files/documents/GB-1210-2021.pdf -->
+        <record id="rule_parameter_us_vt_sit_allowances_rate_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">{
+                'weekly' :         84.62,
+                'bi-weekly' :     169.23,
+                'semi-monthly':   183.33,
+                'monthly' :       366.67,
+                'quarterly' :    1100.00,
+                'annually':      4400.00,
+            }</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_vt_sit_allowances_rate"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
     <!-- Table based on https://tax.vermont.gov/sites/tax/files/documents/WithholdingInstructions.pdf-->
     <record id="rule_parameter_us_vt_sit_tax_rate" model="hr.rule.parameter">
@@ -148,6 +167,101 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_vt_sit_tax_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <!-- https://tax.vermont.gov/sites/tax/files/documents/GB-1210-2021.pdf -->
+        <record id="rule_parameter_us_vt_sit_tax_rate_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">{
+                'single': {
+                    'weekly': (
+                        (   61,   0.00, 0.00),
+                        (  849,   0.00, 3.35),
+                        ( 1969,  26.40, 6.60),
+                        ( 4041, 100.32, 7.60),
+                        ('inf', 257.79, 8.75),
+                    ),
+                    'bi-weekly': (
+                        (  122,   0.00, 0.00),
+                        ( 1697,   0.00, 3.35),
+                        ( 3938,  52.76, 6.60),
+                        ( 8082, 200.67, 7.60),
+                        ('inf', 515.61, 8.75),
+                    ),
+                    'semi-monthly': (
+                        (  132,   0.00, 0.00),
+                        ( 1839,   0.00, 3.35),
+                        ( 4266,  57.18, 6.60),
+                        ( 8755, 217.37, 7.60),
+                        ('inf', 558.53, 8.75),
+                    ),
+                    'monthly': (
+                        (  265,    0.00, 0.00),
+                        ( 3677,    0.00, 3.35),
+                        ( 8531,  114.30, 6.60),
+                        (17510,  434.67, 7.60),
+                        ('inf', 1117.07, 8.75),
+                    ),
+                    'quarterly': (
+                        (  794,    0.00, 0.00),
+                        (11031,    0.00, 3.35),
+                        (25594,  342.94, 6.60),
+                        (52531, 1304.10, 7.60),
+                        ('inf', 3351.31, 8.75),
+                    ),
+                    'annually': (
+                        (  3175,     0.00, 0.00),
+                        ( 44125,     0.00, 3.35),
+                        (102375,  1371.83, 6.60),
+                        (210125,  5216.33, 7.60),
+                        ( 'inf', 13405.33, 8.75),
+                    ),
+                },
+                'married': {
+                    'weekly': (
+                        (  183,   0.00, 0.00),
+                        ( 1499,   0.00, 3.35),
+                        ( 3363,  44.09, 6.60),
+                        ( 5028, 167.11, 7.60),
+                        ('inf', 293.65, 8.75),
+                    ),
+                    'bi-weekly': (
+                        (  366,   0.00, 0.00),
+                        ( 2997,   0.00, 3.35),
+                        ( 6726,  88.14, 6.60),
+                        (10057, 334.25, 7.60),
+                        ('inf', 587.41, 8.75),
+                    ),
+                    'semi-monthly': (
+                        (  397,   0.00, 0.00),
+                        ( 3247,   0.00, 3.35),
+                        ( 7286,  95.48, 6.60),
+                        (10895, 362.05, 7.60),
+                        ('inf', 636.33, 8.75),
+                    ),
+                    'monthly': (
+                        (  794,    0.00, 0.00),
+                        ( 6494,    0.00, 3.35),
+                        (14573,  190.95, 6.60),
+                        (21790,  724.16, 7.60),
+                        ('inf', 1272.66, 8.75),
+                    ),
+                    'quarterly': (
+                        ( 2381,    0.00, 0.00),
+                        (19481,    0.00, 3.35),
+                        (43719,  572.85, 6.60),
+                        (65719, 2172.56, 7.60),
+                        ('inf', 3817.96, 8.75),
+                    ),
+                    'annually': (
+                        (  9525,     0.00, 0.00),
+                        ( 77925,     0.00, 3.35),
+                        (174875,  2291.40, 6.60),
+                        (261475,  8690.10, 7.60),
+                        ( 'inf', 15271.70, 8.75),
+                    ),
+                },
+            }</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_vt_sit_tax_rate"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
 
     <!-- Partners and Contribution Registers -->
diff --git a/l10n_us_hr_payroll/tests/test_us_vt_vermont_payslip_2021.py b/l10n_us_hr_payroll/tests/test_us_vt_vermont_payslip_2021.py
new file mode 100755
index 00000000..67fb7a99
--- /dev/null
+++ b/l10n_us_hr_payroll/tests/test_us_vt_vermont_payslip_2021.py
@@ -0,0 +1,37 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from datetime import date, timedelta
+from .common import TestUsPayslip
+
+
+class TestUsVTPayslip(TestUsPayslip):
+    ###
+    #   2021 Taxes and Rates
+    ###
+    VT_UNEMP_MAX_WAGE = 14100.0
+    VT_UNEMP = 1.0
+    # Calculation based on example https://tax.vermont.gov/sites/tax/files/documents/WithholdingInstructions.pdf
+
+    def _test_sit(self, wage, filing_status, allowances, additional_withholding, exempt, schedule_pay,  date_start, expected_withholding):
+        employee = self._createEmployee()
+        contract = self._createContract(employee,
+                                        wage=wage,
+                                        state_id=self.get_us_state('VT'),
+                                        vt_w4vt_sit_filing_status=filing_status,
+                                        vt_w4vt_sit_allowances=allowances,
+                                        state_income_tax_additional_withholding=additional_withholding,
+                                        state_income_tax_exempt=exempt,
+                                        schedule_pay=schedule_pay)
+        payslip = self._createPayslip(employee, date_start, date_start + timedelta(days=7))
+        payslip.compute_sheet()
+        cats = self._getCategories(payslip)
+
+        self._log('Computed period tax: ' + str(expected_withholding))
+        self.assertPayrollEqual(cats.get('EE_US_SIT', 0.0), -expected_withholding)
+
+    def test_2021_taxes_example(self):
+        self._test_er_suta('VT', self.VT_UNEMP, date(2021, 1, 1), wage_base=self.VT_UNEMP_MAX_WAGE)
+        self._test_sit(1800, 'married', 2, 0, False, 'weekly', date(2021, 1, 1), 52.79)
+        self._test_sit(1800, 'married', 2, 10, False, 'weekly', date(2021, 1, 1), 62.79)
+        self._test_sit(1000, 'single', 1, 0, True, 'weekly', date(2021, 1, 1), 0.00)
+        self._test_sit(8000, 'single', 1, 10, False, 'bi-weekly', date(2021, 1, 1), 506.52)