diff --git a/l10n_us_hr_payroll/data/state/ar_arkansas.xml b/l10n_us_hr_payroll/data/state/ar_arkansas.xml
index 2c8f01a5..606472a0 100644
--- a/l10n_us_hr_payroll/data/state/ar_arkansas.xml
+++ b/l10n_us_hr_payroll/data/state/ar_arkansas.xml
@@ -6,19 +6,11 @@
         <field name="code">us_ar_suta_wage_base</field>
         <field name="country_id" ref="base.us"/>
     </record>
-    <data noupdate="1">
-        <!-- https://www.dws.arkansas.gov/employers/employer-ui-contributions/ -->
-        <record id="rule_parameter_us_ar_suta_wage_base_2020" model="hr.rule.parameter.value">
-            <field name="parameter_value">8000.0</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ar_suta_wage_base"/>
-            <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
-        </record>
-        <record id="rule_parameter_us_ar_suta_wage_base_2021" model="hr.rule.parameter.value">
-            <field name="parameter_value">10000.0</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ar_suta_wage_base"/>
-            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
-        </record>
-    </data>
+    <record id="rule_parameter_us_ar_suta_wage_base_2020" model="hr.rule.parameter.value">
+        <field name="parameter_value">8000.0</field>
+        <field name="rule_parameter_id" ref="rule_parameter_us_ar_suta_wage_base"/>
+        <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+    </record>
 
     <!-- Rate -->
     <record id="rule_parameter_us_ar_suta_rate" model="hr.rule.parameter">
@@ -27,17 +19,11 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
-        <!-- https://www.dws.arkansas.gov/employers/employer-ui-contributions/ -->
         <record id="rule_parameter_us_ar_suta_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">2.9</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_ar_suta_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
-        <record id="rule_parameter_us_ar_suta_rate_2021" model="hr.rule.parameter.value">
-            <field name="parameter_value">3.2</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ar_suta_rate"/>
-            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
-        </record>
     </data>
 
     <record id="rule_parameter_us_ar_sit_tax_rate" model="hr.rule.parameter">
@@ -45,63 +31,35 @@
         <field name="code">us_ar_sit_tax_rate</field>
         <field name="country_id" ref="base.us"/>
     </record>
-    <data noupdate="1">
-        <!-- https://www.dfa.arkansas.gov/images/uploads/incomeTaxOffice/whformula.pdf-->
-        <!-- Notover, percentage , minus adjustment  page 1. 3.-->
-        <record id="rule_parameter_us_ar_sit_tax_rate_2020" model="hr.rule.parameter.value">
-            <field name="parameter_value">[
-                (  4599, 0.0,    0.00),
-                (  9099, 2.0,   91.98),
-                ( 13699, 3.0,  182.97),
-                ( 22599, 3.4,  237.77),
-                ( 37899, 5.0,  421.46),
-                ( 80800, 5.9,  762.55),
-                ( 81800, 6.6, 1243.40),
-                ( 82800, 6.6, 1143.40),
-                ( 84100, 6.6, 1043.40),
-                ( 85200, 6.6,  943.40),
-                ( 86200, 6.6,  843.40),
-                ( 'inf', 6.6,  803.40),
-            ]</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ar_sit_tax_rate"/>
-            <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
-        </record>
-        <!-- https://www.dfa.arkansas.gov/images/uploads/incomeTaxOffice/whformula.pdf -->
-        <!-- Notover, percentage , minus adjustment  page 1. 3.-->
-        <record id="rule_parameter_us_ar_sit_tax_rate_2021" model="hr.rule.parameter.value">
-            <field name="parameter_value">[
-                (  4699, 0.0,    0.00),
-                (  9199, 2.0,   93.98),
-                ( 13899, 3.0,  185.97),
-                ( 22899, 3.4,  241.57),
-                ( 38499, 5.0,  427.71),
-                ( 82000, 5.9,  774.20),
-                ( 83000, 5.9,  681.70),
-                ( 84000, 5.9,  581.70),
-                ( 85300, 5.9,  481.70),
-                ( 86400, 5.9,  381.70),
-                ( 87500, 5.9,  281.70),
-                ( 'inf', 5.9,  241.70),
-            ]</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ar_sit_tax_rate"/>
-            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
-        </record>
-    </data>
+    <record id="rule_parameter_us_ar_sit_tax_rate_2020" model="hr.rule.parameter.value">
+        <field name="parameter_value">[
+            (  4599, 0.0,    0.00),
+            (  9099, 2.0,   91.98),
+            ( 13699, 3.0,  182.97),
+            ( 22599, 3.4,  237.77),
+            ( 37899, 5.0,  421.46),
+            ( 80800, 5.9,  762.55),
+            ( 81800, 6.6, 1243.40),
+            ( 82800, 6.6, 1143.40),
+            ( 84100, 6.6, 1043.40),
+            ( 85200, 6.6,  943.40),
+            ( 86200, 6.6,  843.40),
+            ( 'inf', 6.6,  803.40),
+        ]</field>
+        <field name="rule_parameter_id" ref="rule_parameter_us_ar_sit_tax_rate"/>
+        <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+    </record>
 
     <record id="rule_parameter_us_ar_sit_standard_deduction_rate" model="hr.rule.parameter">
         <field name="name">US AR Arkansas Allowances Rate</field>
         <field name="code">us_ar_sit_standard_deduction_rate</field>
         <field name="country_id" ref="base.us"/>
     </record>
-    <data noupdate="1">
-        <!-- #2 https://www.dfa.arkansas.gov/images/uploads/incomeTaxOffice/whformula.pdf -->
-        <!-- deduction unchanged in 2021 -->
-        <record id="rule_parameter_us_ar_sit_standard_deduction_rate_2020" model="hr.rule.parameter.value">
-            <field name="parameter_value">2200.0</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ar_sit_standard_deduction_rate"/>
-            <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
-        </record>
-    </data>
+    <record id="rule_parameter_us_ar_sit_standard_deduction_rate_2020" model="hr.rule.parameter.value">
+        <field name="parameter_value">2200.0</field>
+        <field name="rule_parameter_id" ref="rule_parameter_us_ar_sit_standard_deduction_rate"/>
+        <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+    </record>
 
     <!-- Partners and Contribution Registers -->
     <record id="res_partner_us_ar_dor" model="res.partner">
diff --git a/l10n_us_hr_payroll/data/state/az_arizona.xml b/l10n_us_hr_payroll/data/state/az_arizona.xml
index 87c4c2c5..6e0dc6ed 100644
--- a/l10n_us_hr_payroll/data/state/az_arizona.xml
+++ b/l10n_us_hr_payroll/data/state/az_arizona.xml
@@ -6,15 +6,12 @@
         <field name="code">us_az_suta_wage_base</field>
         <field name="country_id" ref="base.us"/>
     </record>
-    <data noupdate="1">
-<!--        page 7 https://des.az.gov/sites/default/files/legacy/dl/UIB-1240A.pdf?time=1610036751652-->
-<!--        no change in 2021-->
-        <record id="rule_parameter_us_az_suta_wage_base_2020" model="hr.rule.parameter.value">
-            <field name="parameter_value">7000.0</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_az_suta_wage_base"/>
-            <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
-        </record>
-    </data>
+    <record id="rule_parameter_us_az_suta_wage_base_2020" model="hr.rule.parameter.value">
+        <field name="parameter_value">7000.0</field>
+        <field name="rule_parameter_id" ref="rule_parameter_us_az_suta_wage_base"/>
+        <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+    </record>
+
 
     <!-- Rate -->
     <record id="rule_parameter_us_az_suta_rate" model="hr.rule.parameter">
@@ -23,8 +20,6 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
-<!--        unchanged for 2021-->
-<!--        https://des.az.gov/services/employment/unemployment-employer/employment-taxes-calculating-unemployment-taxes-->
         <record id="rule_parameter_us_az_suta_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">2.0</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_az_suta_rate"/>
@@ -32,7 +27,6 @@
         </record>
     </data>
 
-<!--    todo: income tax https://azdor.gov/forms/individual/form-140-x-y-tables-->
 
     <!-- Partners and Contribution Registers -->
     <record id="res_partner_us_az_dor" model="res.partner">