diff --git a/l10n_us_hr_payroll/data/state/ut_utah.xml b/l10n_us_hr_payroll/data/state/ut_utah.xml
index cb57813c..cb3b9710 100644
--- a/l10n_us_hr_payroll/data/state/ut_utah.xml
+++ b/l10n_us_hr_payroll/data/state/ut_utah.xml
@@ -12,6 +12,12 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_ut_suta_wage_base"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+<!--        https://jobs.utah.gov/UI/Employer/Public/Questions/TaxRates.aspx#:~:text=For%202021%2C%20the%20minimum%20overall,to%20the%20overall%20tax%20rate.-->
+        <record id="rule_parameter_us_ut_suta_wage_base_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">38900.0</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_ut_suta_wage_base"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
 
     <!-- Rate -->
@@ -26,6 +32,13 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_ut_suta_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+<!--        https://jobs.utah.gov/UI/Employer/Public/Questions/TaxRates.aspx#:~:text=For%202021%2C%20the%20minimum%20overall,to%20the%20overall%20tax%20rate.-->
+<!--        Benefit Ratio(unique to client) X Reserve Factor(1.05% for 2021) + Social Cost(.002)-->
+        <record id="rule_parameter_us_ut_suta_rate_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">0.1052</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_ut_suta_rate"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
     
     <record id="rule_parameter_us_ut_tax_rate" model="hr.rule.parameter">
@@ -34,6 +47,7 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
+<!--        rates unchanged in 2021-->
         <record id="rule_parameter_us_ut_tax_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">0.0495</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_ut_tax_rate"/>
@@ -47,6 +61,9 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
+        <!-- Table based on https://tax.utah.gov/forms/pubs/pub-14.pdf -->
+<!--        Note at top of page 12:-->
+<!--        "Note: Use the Single column for taxpayers who file as head-of-household on their federal return." -->
         <record id="rule_parameter_us_ut_sit_allowances_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">{
                 'single': {
@@ -88,6 +105,8 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
+<!--        unchanged in 2021-->
+<!--        see page 9 line 4 and line 5 in schedules https://tax.utah.gov/forms/pubs/pub-14.pdf-->
         <record id="rule_parameter_us_ut_sit_tax_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">{
                 'single': {
diff --git a/l10n_us_hr_payroll/tests/test_us_us_utah_payslip_2021.py b/l10n_us_hr_payroll/tests/test_us_us_utah_payslip_2021.py
new file mode 100755
index 00000000..0b23b462
--- /dev/null
+++ b/l10n_us_hr_payroll/tests/test_us_us_utah_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 TestUsUTPayslip(TestUsPayslip):
+    ###
+    #   2021 Taxes and Rates
+    ###
+    UT_UNEMP_MAX_WAGE = 38900.0
+    UT_UNEMP = 0.1052
+    # Calculation based on example https://tax.utah.gov/forms/pubs/pub-14.pdf
+
+    def _test_sit(self, wage, filing_status, additional_withholding, schedule_pay,  date_start, expected_withholding):
+        employee = self._createEmployee()
+        contract = self._createContract(employee,
+                                        wage=wage,
+                                        state_id=self.get_us_state('UT'),
+                                        ut_w4_sit_filing_status=filing_status,
+                                        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.assertPayrollAlmostEqual(cats.get('EE_US_SIT', 0.0), -expected_withholding)
+
+    def test_2021_taxes_example(self):
+        self._test_er_suta('UT', self.UT_UNEMP, date(2021, 1, 1), wage_base=self.UT_UNEMP_MAX_WAGE)
+        self._test_sit(400, 'single', 0, 'weekly', date(2021, 1, 1), 16.00)
+        self._test_sit(1000, 'single', 0, 'bi-weekly', date(2021, 1, 1), 45.00)
+        self._test_sit(855, 'married', 0, 'semi-monthly', date(2021, 1, 1), 16.00)
+        self._test_sit(2500, 'married', 0, 'monthly', date(2021, 1, 1), 81.00)
+        self._test_sit(8000, 'head_household', 10, 'quarterly', date(2021, 1, 1), 397.00)