From 21ebee50893a240f8dfd659837b72e8ca8ab5aac Mon Sep 17 00:00:00 2001
From: Jared Self <jself@hibou.io>
Date: Wed, 13 Jan 2021 15:02:07 -0700
Subject: [PATCH] RI Rhode Island

---
 .../data/state/ri_rhode_island.xml            | 59 +++++++++++++++++++
 .../test_us_ri_rhode_island_payslip_2021.py   | 37 ++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100755 l10n_us_hr_payroll/tests/test_us_ri_rhode_island_payslip_2021.py

diff --git a/l10n_us_hr_payroll/data/state/ri_rhode_island.xml b/l10n_us_hr_payroll/data/state/ri_rhode_island.xml
index 155a2c86..5c9e05c8 100644
--- a/l10n_us_hr_payroll/data/state/ri_rhode_island.xml
+++ b/l10n_us_hr_payroll/data/state/ri_rhode_island.xml
@@ -7,6 +7,7 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
+        <!-- Unchanged in 2021 http://www.uitax.ri.gov/ -->
         <record id="rule_parameter_us_ri_suta_wage_base_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">24000.0</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_ri_suta_wage_base"/>
@@ -21,12 +22,14 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
+        <!-- Unchanged in 2021 http://www.uitax.ri.gov/ -->
         <record id="rule_parameter_us_ri_suta_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">1.06</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_ri_suta_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
     </data>
+
     <!-- Withhooding tax exemption based on two table on page 7. from http://www.tax.ri.gov/forms/2020/Withholding/2020%20Withhholding%20Tax%20Booklet.pdf -->
     <record id="rule_parameter_us_ri_sit_exemption_rate" model="hr.rule.parameter">
         <field name="name">US RI Rhode Island Exemption Rate</field>
@@ -47,6 +50,20 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_ri_sit_exemption_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <!-- Page 7 http://www.tax.ri.gov/forms/2021/Withholding/2021%20Withholding%20Tax%20Booklet.pdf -->
+        <record id="rule_parameter_us_ri_sit_exemption_rate_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">{
+                'weekly' :        (( 0.00,   19.23), (   4514.42,  0.00)),
+                'bi-weekly' :     (( 0.00,   38.46), (   9028.85,  0.00)),
+                'semi-monthly':   (( 0.00,   41.67), (   9781.25,  0.00)),
+                'monthly' :       (( 0.00,   83.33), (  19562.50,  0.00)),
+                'quarterly' :     (( 0.00,  250.00), (  58687.50,  0.00)),
+                'semi-annually':  (( 0.00,  500.00), ( 117375.00,  0.00)),
+                'annually':       (( 0.00,  1000.0), ( 234750.00,  0.00)),
+            }</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_ri_sit_exemption_rate"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
 
     <record id="rule_parameter_us_ri_sit_tax_rate" model="hr.rule.parameter">
@@ -96,6 +113,48 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_ri_sit_tax_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <!-- Page 8 http://www.tax.ri.gov/forms/2021/Withholding/2021%20Withholding%20Tax%20Booklet.pdf -->
+        <record id="rule_parameter_us_ri_sit_tax_rate_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">{
+                'weekly': (
+                    ( 1273,   0.00, 3.75),
+                    ( 2895,  47.74, 4.75),
+                    ('inf', 124.79, 5.99),
+                ),
+                'bi-weekly': (
+                    ( 2546,   0.00, 3.75),
+                    ( 5790,  95.48, 4.75),
+                    ('inf', 249.57, 5.99),
+                ),
+                'semi-monthly': (
+                    ( 2758,   0.00, 3.75),
+                    ( 6273, 103.43, 4.75),
+                    ('inf', 270.39, 5.99),
+                ),
+                'monthly': (
+                    ( 5517,   0.00, 3.75),
+                    (12546, 206.89, 4.75),
+                    ('inf', 540.77, 5.99),
+                ),
+                'quarterly': (
+                    (16550,    0.00, 3.75),
+                    (37638,  620.63, 4.75),
+                    ('inf', 1622.31, 5.99),
+                ),
+                'semi-annually': (
+                    (33100,    0.00, 3.75),
+                    (75275, 1241.25, 4.75),
+                    ('inf', 3244.56, 5.99),
+                ),
+                'annually': (
+                    ( 66200,    0.00, 3.75),
+                    (150550, 2482.50, 4.75),
+                    ( 'inf', 6489.13, 5.99),
+                ),
+            }</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_ri_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_ri_rhode_island_payslip_2021.py b/l10n_us_hr_payroll/tests/test_us_ri_rhode_island_payslip_2021.py
new file mode 100755
index 00000000..3fe9a189
--- /dev/null
+++ b/l10n_us_hr_payroll/tests/test_us_ri_rhode_island_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 TestUsRIPayslip(TestUsPayslip):
+    ###
+    #   2021 Taxes and Rates
+    ###
+    RI_UNEMP_MAX_WAGE = 24000.0
+    RI_UNEMP = 1.06
+    # Calculation based on example http://www.tax.ri.gov/forms/2021/Withholding/2021%20Withhholding%20Tax%20Booklet.pdf
+
+    def _test_sit(self, wage, 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('RI'),
+                                        ri_w4_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('RI', self.RI_UNEMP, date(2021, 1, 1), wage_base=self.RI_UNEMP_MAX_WAGE)
+        self._test_sit(2195, 1, 0, False, 'weekly', date(2021, 1, 1), 90.62)
+        self._test_sit(1800, 2, 10, True, 'weekly', date(2021, 1, 1), 0.00)
+        self._test_sit(10000, 1, 0, False, 'bi-weekly', date(2021, 1, 1), 501.75)
+        self._test_sit(18000, 2, 0, False, 'monthly', date(2021, 1, 1), 857.48)
+        self._test_sit(18000, 2, 10, False, 'monthly', date(2021, 1, 1), 867.47)