diff --git a/l10n_us_hr_payroll/data/state/wv_west_virginia.xml b/l10n_us_hr_payroll/data/state/wv_west_virginia.xml
index ee542c4a..8ded67b7 100644
--- a/l10n_us_hr_payroll/data/state/wv_west_virginia.xml
+++ b/l10n_us_hr_payroll/data/state/wv_west_virginia.xml
@@ -7,6 +7,7 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
+        <!-- Unchanged for 2021 https://workforcewv.org/images/files/employers/Employer_Handbook.pdf -->
         <record id="rule_parameter_us_wv_suta_wage_base_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">12000.0</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_wv_suta_wage_base"/>
@@ -21,12 +22,14 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
+        <!-- Unchanged for 2021 https://workforcewv.org/images/files/employers/Employer_Handbook.pdf -->
         <record id="rule_parameter_us_wv_suta_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">2.7</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_wv_suta_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
     </data>
+
     <!-- Table base on this https://tax.wv.gov/Documents/TaxForms/it100.1a.pdf page 16-->
     <record id="rule_parameter_us_wv_sit_exemption_rate" model="hr.rule.parameter">
         <field name="name">US WV West Virginia Exemption Rate</field>
@@ -34,6 +37,7 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
+        <!-- Unchanged for 2021 https://tax.wv.gov/Documents/TaxForms/it100.1a.pdf -->
         <record id="rule_parameter_us_wv_sit_exemption_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">{
                 'weekly' :        38.46,
@@ -53,6 +57,7 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
+        <!-- Unchanged in 2021 https://tax.wv.gov/Documents/TaxForms/it100.1a.pdf -->
         <record id="rule_parameter_us_wv_sit_tax_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">{
                 'single': {
diff --git a/l10n_us_hr_payroll/tests/test_us_wv_west_virginia_payslip_2021.py b/l10n_us_hr_payroll/tests/test_us_wv_west_virginia_payslip_2021.py
new file mode 100755
index 00000000..ec16d379
--- /dev/null
+++ b/l10n_us_hr_payroll/tests/test_us_wv_west_virginia_payslip_2021.py
@@ -0,0 +1,36 @@
+# 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 TestUsWVPayslip(TestUsPayslip):
+    ###
+    #   2021 Taxes and Rates
+    ###
+    WV_UNEMP_MAX_WAGE = 12000.0
+    WV_UNEMP = 2.7
+    # Calculation based on example https://tax.wv.gov/Documents/TaxForms/it100.1a.pdf
+
+    def _test_sit(self, wage, filing_status, exemption, additional_withholding, schedule_pay,  date_start, expected_withholding):
+        employee = self._createEmployee()
+        contract = self._createContract(employee,
+                                        wage=wage,
+                                        state_id=self.get_us_state('WV'),
+                                        wv_it104_sit_filing_status=filing_status,
+                                        wv_it104_sit_exemptions=exemption,
+                                        state_income_tax_additional_withholding=additional_withholding,
+                                        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('WV', self.WV_UNEMP, date(2021, 1, 1), wage_base=self.WV_UNEMP_MAX_WAGE)
+        self._test_sit(1250, 'married', 2, 0, 'semi-monthly', date(2021, 1, 1), 44.00)
+        self._test_sit(1300, 'single', 1, 0, 'bi-weekly', date(2021, 1, 1), 46.00)
+        self._test_sit(1300, 'single', 1, 10, 'bi-weekly', date(2021, 1, 1), 56.00)
+        self._test_sit(15000, 'single', 2, 0, 'monthly', date(2021, 1, 1), 860.00)