diff --git a/l10n_us_hr_payroll/data/state/ct_connecticut.xml b/l10n_us_hr_payroll/data/state/ct_connecticut.xml
index ca211952..489cc081 100644
--- a/l10n_us_hr_payroll/data/state/ct_connecticut.xml
+++ b/l10n_us_hr_payroll/data/state/ct_connecticut.xml
@@ -6,15 +6,11 @@
         <field name="code">us_ct_suta_wage_base</field>
         <field name="country_id" ref="base.us"/>
     </record>
-    <data noupdate="1">
-        <!-- Been unchanged for 10 years -->
-        <!-- https://www.ctdol.state.ct.us/uitax/taxdiv.htm -->
-        <record id="rule_parameter_us_ct_suta_wage_base_2020" model="hr.rule.parameter.value">
-            <field name="parameter_value">15000.0</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ct_suta_wage_base"/>
-            <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
-        </record>
-    </data>
+    <record id="rule_parameter_us_ct_suta_wage_base_2020" model="hr.rule.parameter.value">
+        <field name="parameter_value">15000.0</field>
+        <field name="rule_parameter_id" ref="rule_parameter_us_ct_suta_wage_base"/>
+        <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+    </record>
 
     <!-- Rate -->
     <record id="rule_parameter_us_ct_suta_rate" model="hr.rule.parameter">
@@ -23,7 +19,6 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
-        <!-- todo: as of 01/07/2021 not published for 2021 yet https://www.ctdol.state.ct.us/uitax/taxdiv.htm -->
         <record id="rule_parameter_us_ct_suta_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">3.2</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_ct_suta_rate"/>
@@ -36,608 +31,583 @@
         <field name="code">us_ct_sit_initial_tax_rate</field>
         <field name="country_id" ref="base.us"/>
     </record>
-    <data noupdate="1">
-        <!-- https://portal.ct.gov/-/media/DRS/Forms/2020/WTH/TPG-211_0320.pdf -->
-        <!-- Table B Initial Tax Calculation -->
-        <!-- unchanged for 2021 https://portal.ct.gov/-/media/DRS/Forms/2021/WTH/TPG-211_1220.pdf -->
-        <record id="rule_parameter_us_ct_sit_initial_tax_rate_2020" model="hr.rule.parameter.value">
-            <field name="parameter_value">{
-                'a': [
-                    ( 10000,    0,  3.00),
-                    ( 50000,  300,  5.00),
-                    (100000, 2300,  5.50),
-                    (200000, 5050,  6.00),
-                    (250000, 11050, 6.50),
-                    (500000, 14300, 6.90),
-                    ( 'inf', 31550, 6.99),
-                ],
-                'b': [
-                    ( 16000,    0,  3.00),
-                    ( 80000,  480,  5.00),
-                    (160000, 3680,  5.50),
-                    (320000, 8080,  6.00),
-                    (400000, 17680, 6.50),
-                    (800000, 22880, 6.90),
-                    ( 'inf', 50480, 6.99),
-                ],
-                'c': [
-                    (  20000,     0, 3.00),
-                    ( 100000,   600, 5.00),
-                    ( 200000,  4600, 5.50),
-                    ( 400000, 10100, 6.00),
-                    ( 500000, 22100, 6.50),
-                    (1000000, 28600, 6.90),
-                    (  'inf', 63100, 6.99),
-                ],
-                'd': [
-                    ( 10000,    0,  3.00),
-                    ( 50000,  300,  5.00),
-                    (100000, 2300,  5.50),
-                    (200000, 5050,  6.00),
-                    (250000, 11050, 6.50),
-                    (500000, 14300, 6.90),
-                    ( 'inf', 31550, 6.99),
-                ],
-                'f': [
-                    ( 10000,    0,  3.00),
-                    ( 50000,  300,  5.00),
-                    (100000, 2300,  5.50),
-                    (200000, 5050,  6.00),
-                    (250000, 11050, 6.50),
-                    (500000, 14300, 6.90),
-                    ( 'inf', 31550, 6.99),
-                ],
-            }</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ct_sit_initial_tax_rate"/>
-            <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
-        </record>
-    </data>
+    <record id="rule_parameter_us_ct_sit_initial_tax_rate_2020" model="hr.rule.parameter.value">
+        <field name="parameter_value">{
+            'a': [
+                ( 10000,    0,  3.00),
+                ( 50000,  300,  5.00),
+                (100000, 2300,  5.50),
+                (200000, 5050,  6.00),
+                (250000, 11050, 6.50),
+                (500000, 14300, 6.90),
+                ( 'inf', 31550, 6.99),
+            ],
+            'b': [
+                ( 16000,    0,  3.00),
+                ( 80000,  480,  5.00),
+                (160000, 3680,  5.50),
+                (320000, 8080,  6.00),
+                (400000, 17680, 6.50),
+                (800000, 22880, 6.90),
+                ( 'inf', 50480, 6.99),
+            ],
+            'c': [
+                (  20000,     0, 3.00),
+                ( 100000,   600, 5.00),
+                ( 200000,  4600, 5.50),
+                ( 400000, 10100, 6.00),
+                ( 500000, 22100, 6.50),
+                (1000000, 28600, 6.90),
+                (  'inf', 63100, 6.99),
+            ],
+            'd': [
+                ( 10000,    0,  3.00),
+                ( 50000,  300,  5.00),
+                (100000, 2300,  5.50),
+                (200000, 5050,  6.00),
+                (250000, 11050, 6.50),
+                (500000, 14300, 6.90),
+                ( 'inf', 31550, 6.99),
+            ],
+            'f': [
+                ( 10000,    0,  3.00),
+                ( 50000,  300,  5.00),
+                (100000, 2300,  5.50),
+                (200000, 5050,  6.00),
+                (250000, 11050, 6.50),
+                (500000, 14300, 6.90),
+                ( 'inf', 31550, 6.99),
+            ],
+        }</field>
+        <field name="rule_parameter_id" ref="rule_parameter_us_ct_sit_initial_tax_rate"/>
+        <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+    </record>
 
     <record id="rule_parameter_us_ct_sit_tax_rate" model="hr.rule.parameter">
         <field name="name">US CT Connecticut Tax Rate</field>
         <field name="code">us_ct_sit_tax_rate</field>
         <field name="country_id" ref="base.us"/>
     </record>
-    <data noupdate="1">
-        <!-- https://portal.ct.gov/-/media/DRS/Forms/2020/WTH/TPG-211_0320.pdf -->
-        <!-- Table C 3% -->
-        <!-- unchanged for 2021 https://portal.ct.gov/-/media/DRS/Forms/2021/WTH/TPG-211_1220.pdf -->
-        <record id="rule_parameter_us_ct_sit_tax_rate_2020" model="hr.rule.parameter.value">
-            <field name="parameter_value">{
-                'a': [
-                    (50250,   0),
-                    (52750,  20),
-                    (55250,  40),
-                    (57750,  60),
-                    (60250,  80),
-                    (62750, 100),
-                    (65250, 120),
-                    (67750, 140),
-                    (70250, 160),
-                    (72750, 180),
-                    ('inf', 200),
-                ],
-                'b': [
-                    ( 78500,  0),
-                    ( 82500, 32),
-                    ( 86500, 64),
-                    ( 90500, 96),
-                    ( 94500, 128),
-                    ( 98500, 160),
-                    (102500, 192),
-                    (106500, 224),
-                    (110500, 256),
-                    (114500, 288),
-                    ( 'inf', 320),
-                ],
-                'c': [
-                    (100500,   0),
-                    (105500,  40),
-                    (110500,  80),
-                    (115500, 120),
-                    (120500, 160),
-                    (125500, 200),
-                    (130500, 240),
-                    (135500, 280),
-                    (140500, 320),
-                    (145500, 360),
-                    ( 'inf', 400),
+    <record id="rule_parameter_us_ct_sit_tax_rate_2020" model="hr.rule.parameter.value">
+        <field name="parameter_value">{
+            'a': [
+                (50250,   0),
+                (52750,  20),
+                (55250,  40),
+                (57750,  60),
+                (60250,  80),
+                (62750, 100),
+                (65250, 120),
+                (67750, 140),
+                (70250, 160),
+                (72750, 180),
+                ('inf', 200),
+            ],
+            'b': [
+                ( 78500,  0),
+                ( 82500, 32),
+                ( 86500, 64),
+                ( 90500, 96),
+                ( 94500, 128),
+                ( 98500, 160),
+                (102500, 192),
+                (106500, 224),
+                (110500, 256),
+                (114500, 288),
+                ( 'inf', 320),
+            ],
+            'c': [
+                (100500,   0),
+                (105500,  40),
+                (110500,  80),
+                (115500, 120),
+                (120500, 160),
+                (125500, 200),
+                (130500, 240),
+                (135500, 280),
+                (140500, 320),
+                (145500, 360),
+                ( 'inf', 400),
 
-                ],
-                'd': [
-                    (50250,   0),
-                    (52750,  20),
-                    (55250,  40),
-                    (57750,  60),
-                    (60250,  80),
-                    (62750, 100),
-                    (65250, 120),
-                    (67750, 140),
-                    (70250, 160),
-                    (72750, 180),
-                    ('inf', 200),
-                ],
-                'f': [
-                    ( 56500,   0),
-                    ( 61500,  20),
-                    ( 66500,  40),
-                    ( 71500,  60),
-                    ( 76500,  80),
-                    ( 81500, 100),
-                    ( 86500, 120),
-                    ( 91500, 140),
-                    ( 96500, 160),
-                    (101500, 180),
-                    ( 'inf', 200),
-                ],
-            }</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ct_sit_tax_rate"/>
-            <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
-        </record>
-    </data>
+            ],
+            'd': [
+                (50250,   0),
+                (52750,  20),
+                (55250,  40),
+                (57750,  60),
+                (60250,  80),
+                (62750, 100),
+                (65250, 120),
+                (67750, 140),
+                (70250, 160),
+                (72750, 180),
+                ('inf', 200),
+            ],
+            'f': [
+                ( 56500,   0),
+                ( 61500,  20),
+                ( 66500,  40),
+                ( 71500,  60),
+                ( 76500,  80),
+                ( 81500, 100),
+                ( 86500, 120),
+                ( 91500, 140),
+                ( 96500, 160),
+                (101500, 180),
+                ( 'inf', 200),
+            ],
+        }</field>
+        <field name="rule_parameter_id" ref="rule_parameter_us_ct_sit_tax_rate"/>
+        <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+    </record>
     
     <record id="rule_parameter_us_ct_sit_decimal_rate" model="hr.rule.parameter">
         <field name="name">US CT Connecticut Decimal Rate</field>
         <field name="code">us_ct_sit_decimal_rate</field>
         <field name="country_id" ref="base.us"/>
     </record>
-    <data noupdate="1">
-        <!-- https://portal.ct.gov/-/media/DRS/Forms/2020/WTH/TPG-211_0320.pdf -->
-        <!-- Table E Personal Tax Credits -->
-        <!-- unchanged for 2021 https://portal.ct.gov/-/media/DRS/Forms/2021/WTH/TPG-211_1220.pdf -->
-        <record id="rule_parameter_us_ct_sit_decimal_rate_2020" model="hr.rule.parameter.value">
-            <field name="parameter_value">{
-                'a': [
-                    (15000, 0.75),
-                    (15500, 0.70),
-                    (16000, 0.65),
-                    (16500, 0.60),
-                    (17000, 0.55),
-                    (17500, 0.50),
-                    (18000, 0.45),
-                    (18500, 0.40),
-                    (20000, 0.35),
-                    (20500, 0.30),
-                    (21000, 0.25),
-                    (21500, 0.20),
-                    (25000, 0.15),
-                    (25500, 0.14),
-                    (26000, 0.13),
-                    (26500, 0.12),
-                    (27000, 0.11),
-                    (48000, 0.10),
-                    (48500, 0.09),
-                    (49000, 0.08),
-                    (49500, 0.08),
-                    (50000, 0.06),
-                    (50500, 0.05),
-                    (51000, 0.03),
-                    (51500, 0.03),
-                    (52000, 0.02),
-                    (52500, 0.01),
-                    ('inf', 0.00),
-                ],
-                'b': [
-                    (24000, 0.75),
-                    (24500, 0.70),
-                    (25000, 0.65),
-                    (25500, 0.60),
-                    (26000, 0.55),
-                    (26500, 0.50),
-                    (27000, 0.45),
-                    (27500, 0.40),
-                    (34000, 0.35),
-                    (34500, 0.30),
-                    (35000, 0.25),
-                    (35500, 0.20),
-                    (44000, 0.15),
-                    (44500, 0.14),
-                    (45000, 0.13),
-                    (45500, 0.12),
-                    (46000, 0.11),
-                    (74000, 0.10),
-                    (74500, 0.09),
-                    (75000, 0.08),
-                    (75500, 0.08),
-                    (76000, 0.06),
-                    (76500, 0.05),
-                    (77000, 0.03),
-                    (77500, 0.03),
-                    (78000, 0.02),
-                    (78500, 0.01),
-                    ('inf', 0.00),
-                ],
-                'c': [
-                    (30000, 0.75),
-                    (30500, 0.70),
-                    (31000, 0.65),
-                    (31500, 0.60),
-                    (32000, 0.55),
-                    (32500, 0.50),
-                    (33000, 0.45),
-                    (33500, 0.40),
-                    (40000, 0.35),
-                    (40500, 0.30),
-                    (41000, 0.25),
-                    (41500, 0.20),
-                    (50000, 0.15),
-                    (50500, 0.14),
-                    (51000, 0.13),
-                    (51500, 0.12),
-                    (52000, 0.11),
-                    (96000, 0.10),
-                    (96500, 0.09),
-                    (97000, 0.08),
-                    (97500, 0.08),
-                    (98000, 0.06),
-                    (98500, 0.05),
-                    (99000, 0.03),
-                    (99500, 0.03),
-                    (100000, 0.02),
-                    (100500, 0.01),
-                    ('inf', 0.00),
-                ],
-                'f': [
-                    (18800, 0.75),
-                    (19300, 0.70),
-                    (19800, 0.65),
-                    (20300, 0.60),
-                    (20800, 0.55),
-                    (21300, 0.50),
-                    (21800, 0.45),
-                    (22300, 0.40),
-                    (25000, 0.35),
-                    (25500, 0.30),
-                    (26000, 0.25),
-                    (26500, 0.20),
-                    (31300, 0.15),
-                    (31800, 0.14),
-                    (32300, 0.13),
-                    (32800, 0.12),
-                    (33300, 0.11),
-                    (60000, 0.10),
-                    (60500, 0.09),
-                    (61000, 0.08),
-                    (61500, 0.08),
-                    (62000, 0.06),
-                    (62500, 0.05),
-                    (63000, 0.03),
-                    (63500, 0.03),
-                    (64000, 0.02),
-                    (64500, 0.01),
-                    ('inf', 0.00),
-                ],
-            }</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ct_sit_decimal_rate"/>
-            <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
-        </record>
-    </data>
+    <record id="rule_parameter_us_ct_sit_decimal_rate_2020" model="hr.rule.parameter.value">
+        <field name="parameter_value">{
+            'a': [
+                (15000, 0.75),
+                (15500, 0.70),
+                (16000, 0.65),
+                (16500, 0.60),
+                (17000, 0.55),
+                (17500, 0.50),
+                (18000, 0.45),
+                (18500, 0.40),
+                (20000, 0.35),
+                (20500, 0.30),
+                (21000, 0.25),
+                (21500, 0.20),
+                (25000, 0.15),
+                (25500, 0.14),
+                (26000, 0.13),
+                (26500, 0.12),
+                (27000, 0.11),
+                (48000, 0.10),
+                (48500, 0.09),
+                (49000, 0.08),
+                (49500, 0.08),
+                (50000, 0.06),
+                (50500, 0.05),
+                (51000, 0.03),
+                (51500, 0.03),
+                (52000, 0.02),
+                (52500, 0.01),
+                ('inf', 0.00),
+            ],
+            'b': [
+                (24000, 0.75),
+                (24500, 0.70),
+                (25000, 0.65),
+                (25500, 0.60),
+                (26000, 0.55),
+                (26500, 0.50),
+                (27000, 0.45),
+                (27500, 0.40),
+                (34000, 0.35),
+                (34500, 0.30),
+                (35000, 0.25),
+                (35500, 0.20),
+                (44000, 0.15),
+                (44500, 0.14),
+                (45000, 0.13),
+                (45500, 0.12),
+                (46000, 0.11),
+                (74000, 0.10),
+                (74500, 0.09),
+                (75000, 0.08),
+                (75500, 0.08),
+                (76000, 0.06),
+                (76500, 0.05),
+                (77000, 0.03),
+                (77500, 0.03),
+                (78000, 0.02),
+                (78500, 0.01),
+                ('inf', 0.00),
+            ],
+            'c': [
+                (30000, 0.75),
+                (30500, 0.70),
+                (31000, 0.65),
+                (31500, 0.60),
+                (32000, 0.55),
+                (32500, 0.50),
+                (33000, 0.45),
+                (33500, 0.40),
+                (40000, 0.35),
+                (40500, 0.30),
+                (41000, 0.25),
+                (41500, 0.20),
+                (50000, 0.15),
+                (50500, 0.14),
+                (51000, 0.13),
+                (51500, 0.12),
+                (52000, 0.11),
+                (96000, 0.10),
+                (96500, 0.09),
+                (97000, 0.08),
+                (97500, 0.08),
+                (98000, 0.06),
+                (98500, 0.05),
+                (99000, 0.03),
+                (99500, 0.03),
+                (100000, 0.02),
+                (100500, 0.01),
+                ('inf', 0.00),
+            ],
+            'f': [
+                (18800, 0.75),
+                (19300, 0.70),
+                (19800, 0.65),
+                (20300, 0.60),
+                (20800, 0.55),
+                (21300, 0.50),
+                (21800, 0.45),
+                (22300, 0.40),
+                (25000, 0.35),
+                (25500, 0.30),
+                (26000, 0.25),
+                (26500, 0.20),
+                (31300, 0.15),
+                (31800, 0.14),
+                (32300, 0.13),
+                (32800, 0.12),
+                (33300, 0.11),
+                (60000, 0.10),
+                (60500, 0.09),
+                (61000, 0.08),
+                (61500, 0.08),
+                (62000, 0.06),
+                (62500, 0.05),
+                (63000, 0.03),
+                (63500, 0.03),
+                (64000, 0.02),
+                (64500, 0.01),
+                ('inf', 0.00),
+            ],
+        }</field>
+        <field name="rule_parameter_id" ref="rule_parameter_us_ct_sit_decimal_rate"/>
+        <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+    </record>
 
     <record id="rule_parameter_us_ct_sit_recapture_rate" model="hr.rule.parameter">
         <field name="name">US CT Connecticut Recapture Rate</field>
         <field name="code">us_ct_sit_recapture_rate</field>
         <field name="country_id" ref="base.us"/>
     </record>
-    <data noupdate="1">
-        <!-- https://portal.ct.gov/-/media/DRS/Forms/2020/WTH/TPG-211_0320.pdf -->
-        <!-- Table D Tax recapture -->
-        <!-- unchanged for 2021 https://portal.ct.gov/-/media/DRS/Forms/2021/WTH/TPG-211_1220.pdf -->
-        <record id="rule_parameter_us_ct_sit_recapture_rate_2020" model="hr.rule.parameter.value">
-            <field name="parameter_value">{
-                'a': [
-                    (200000,    0),
-                    (205000,   90),
-                    (210000,  180),
-                    (215000,  270),
-                    (220000,  360),
-                    (225000,  450),
-                    (230000,  540),
-                    (235000,  630),
-                    (240000,  720),
-                    (245000,  810),
-                    (250000,  900),
-                    (255000,  990),
-                    (260000, 1080),
-                    (265000, 1170),
-                    (270000, 1260),
-                    (275000, 1350),
-                    (280000, 1440),
-                    (285000, 1530),
-                    (290000, 1620),
-                    (295000, 1710),
-                    (300000, 1800),
-                    (305000, 1890),
-                    (310000, 1980),
-                    (315000, 2070),
-                    (320000, 2160),
-                    (325000, 2250),
-                    (330000, 2340),
-                    (335000, 2430),
-                    (340000, 2520),
-                    (345000, 2610),
-                    (500000, 2700),
-                    (505000, 2750),
-                    (510000, 2800),
-                    (515000, 2850),
-                    (520000, 2900),
-                    (525000, 2950),
-                    (530000, 3000),
-                    (535000, 3050),
-                    (540000, 3100),
-                    ( 'inf', 3150),
-                ],
-                'b': [
-                    (320000,    0),
-                    (328000,  140),
-                    (336000,  280),
-                    (344000,  420),
-                    (352000,  560),
-                    (360000,  700),
-                    (368000,  840),
-                    (376000,  980),
-                    (384000, 1120),
-                    (392000, 1260),
-                    (400000, 1400),
-                    (408000, 1540),
-                    (416000, 1680),
-                    (424000, 1820),
-                    (432000, 1960),
-                    (440000, 2100),
-                    (448000, 2240),
-                    (456000, 2380),
-                    (464000, 2520),
-                    (472000, 2660),
-                    (480000, 2800),
-                    (488000, 2940),
-                    (496000, 3080),
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+                (535000, 3050),
+                (540000, 3100),
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+            ],
+        }</field>
+        <field name="rule_parameter_id" ref="rule_parameter_us_ct_sit_recapture_rate"/>
+        <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+    </record>
 
     <record id="rule_parameter_us_ct_sit_personal_exemption_rate" model="hr.rule.parameter">
         <field name="name">US CT Connecticut Personal Exemption Rate</field>
         <field name="code">us_ct_sit_personal_exemption_rate</field>
         <field name="country_id" ref="base.us"/>
     </record>
-    <data noupdate="1">
-        <!-- https://portal.ct.gov/-/media/DRS/Forms/2020/WTH/TPG-211_0320.pdf -->
-        <!-- Table A Personal Exemptions -->
-        <!-- unchanged for 2021 https://portal.ct.gov/-/media/DRS/Forms/2021/WTH/TPG-211_1220.pdf -->
-        <record id="rule_parameter_us_ct_sit_personal_exemption_rate_2020" model="hr.rule.parameter.value">
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-            <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
-        </record>
-    </data>
+    <record id="rule_parameter_us_ct_sit_personal_exemption_rate_2020" model="hr.rule.parameter.value">
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+        }</field>
+        <field name="rule_parameter_id" ref="rule_parameter_us_ct_sit_personal_exemption_rate"/>
+        <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+    </record>
 
     <!-- Partners and Contribution Registers -->
     <record id="res_partner_us_ct_dor" model="res.partner">