diff --git a/l10n_us_hr_payroll/data/state/ny_new_york.xml b/l10n_us_hr_payroll/data/state/ny_new_york.xml
index a6f17a70..4bb0ac36 100644
--- a/l10n_us_hr_payroll/data/state/ny_new_york.xml
+++ b/l10n_us_hr_payroll/data/state/ny_new_york.xml
@@ -1,22 +1,23 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <odoo>
     <!-- Wage Base -->
+    <!--        https://www.tax.ny.gov/pdf/current_forms/wt/nys45i.pdf -->
     <record id="rule_parameter_us_ny_suta_wage_base" model="hr.rule.parameter">
         <field name="name">US NY New York SUTA Wage Base</field>
         <field name="code">us_ny_suta_wage_base</field>
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
-        <record id="rule_parameter_us_ny_suta_wage_base_2019" model="hr.rule.parameter.value">
-            <field name="parameter_value">11400.0</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ny_suta_wage_base"/>
-            <field name="date_from" eval="datetime(2019, 1, 1).date()"/>
-        </record>
         <record id="rule_parameter_us_ny_suta_wage_base_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">11600.0</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_ny_suta_wage_base"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <record id="rule_parameter_us_ny_suta_wage_base_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">11800.0</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_ny_suta_wage_base"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
 
     <!-- Rate -->
@@ -25,6 +26,8 @@
         <field name="code">us_ny_suta_rate</field>
         <field name="country_id" ref="base.us"/>
     </record>
+<!--        todo: New york unemployment Rates are published in February and due quarterly-->
+<!--        https://dol.ny.gov/unemployment-insurance-rate-information-->
     <data noupdate="1">
         <record id="rule_parameter_us_ny_suta_rate_2019" model="hr.rule.parameter.value">
             <field name="parameter_value">2.5</field>
@@ -80,26 +83,6 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
-        <record id="rule_parameter_us_ny_sit_tax_rate_2019" model="hr.rule.parameter.value">
-            <field name="parameter_value">{
-                'single': {
-                    'weekly': ((163, 0.0400, 0.0), (225, 0.0450, 6.54), (267, 0.0525, 9.31), (412, 0.0590, 11.54), (1551, 0.0633, 20.04), (1862, 0.0657, 92.17), (2070, 0.0758, 112.58), (3032, 0.0808, 128.38), (4142, 0.0707, 206.08), (5104, 0.0856, 284.60), (20722, 0.0735, 366.90), (21684, 0.5208, 1514.85), ('inf', 0.0962, 2015.62)),
-                    'bi-weekly': ((327, 0.0400, 0.0), (450, 0.0450, 13.08), (535, 0.0525, 18.62), (823, 0.0590, 23.08), (3102, 0.0633, 40.08), (3723, 0.0657, 184.35), (4140, 0.0758, 225.15), (6063, 0.0808, 256.77), (8285, 0.0707, 412.15), (10208, 0.0856, 569.19), (41444, 0.0735, 733.81), (43367, 0.5208, 3029.69), ('inf', 0.0962, 4021.23)),
-                    'semi-monthly': ((354, 0.0400, 0.0), (488, 0.0450, 14.17), (579, 0.0525, 20.17), (892, 0.0590, 25.00), (3360, 0.0633, 43.42), (4033, 0.0657, 199.71), (4485, 0.0758, 243.92), (6569, 0.0808, 278.17), (8975, 0.0707, 446.50), (11058, 0.0856, 616.63), (44898, 0.0735, 794.96), (46981, 0.5208, 3282.17), ('inf', 0.0962, 4367.17)),
-                    'monthly': ((708, 0.0400, 0.0), (975, 0.0450, 28.33), (1158, 0.0525, 40.33), (1783, 0.0590, 50.00), (6721, 0.0633, 86.83), (8067, 0.0657, 399.42), (8971, 0.0758, 487.83), (13138, 0.0808, 556.33), (17950, 0.0707, 893.00), (22117, 0.0856, 1233.25), (89796, 0.0735, 1589.92), (93963, 0.5208, 6564.33), ('inf', 0.0962, 8734.33)),
-                    'annually': ((8500, 0.0400, 0.0), (11700, 0.0450, 340.00), (13900, 0.0525, 484.00), (21400, 0.0590, 600.00), (80650, 0.0633, 1042.00), (96800, 0.0657, 4793.00), (107650, 0.0758, 5854.00), (157650, 0.0808, 6676.00), (215400, 0.0707, 10716.00), (265400, 0.0856, 14799.00), (1077550, 0.0735, 19079.00), (1127550, 0.5208, 78772.00), ('inf', 0.0962, 104812.00)),
-                },
-                'married': {
-                    'weekly': ((163, 0.0400, 0.0), (225, 0.0450, 6.54), (267, 0.0525, 9.31), (412, 0.0590, 11.54), (1551, 0.0633, 20.04), (1862, 0.0657, 92.17), (2070, 0.0783, 112.58), (3032, 0.0833, 128.90), (4068, 0.0785, 209.00), (6215, 0.0707, 290.37), (7177, 0.0916, 442.17), (20722, 0.0735, 530.25), (41449, 0.0765, 1525.83), (42411, 0.9454, 3111.42), ('inf', 0.0962, 4020.46)),
-                    'bi-weekly': ((327, 0.0400, 0.0), (450, 0.0450, 13.08), (535, 0.0525, 18.62), (823, 0.0590, 23.08), (3102, 0.0633, 40.08), (3723, 0.0657, 184.35), (4140, 0.0783, 225.15), (6063, 0.0833, 257.81), (8137, 0.0785, 418.00), (12431, 0.0707, 580.73), (14354, 0.0916, 884.35), (41444, 0.0735, 1060.50), (82898, 0.0765, 3051.65), (84821, 0.9454, 6222.85), ('inf', 0.0962, 8040.92)),
-                    'semi-monthly': ((354, 0.0400, 0.0), (488, 0.0450, 14.17), (579, 0.0525, 20.17), (892, 0.0590, 25.00), (3360, 0.0633, 43.42), (4033, 0.0657, 199.71), (4485, 0.0783, 243.92), (6569, 0.0833, 279.29), (8815, 0.0785, 452.83), (13476, 0.0707, 629.13), (15550, 0.0916, 958.04), (44898, 0.0735, 1148.88), (89806, 0.0765, 3305.96), (91890, 0.9454, 6741.42), ('inf', 0.0962, 8711.00)),
-                    'monthly': ((708, 0.0400, 0.0), (975, 0.0450, 28.33), (1158, 0.0525, 40.33), (1783, 0.0590, 50.00), (6721, 0.0633, 86.83), (8067, 0.0657, 399.42), (8971, 0.0783, 487.83), (13138, 0.0833, 558.58), (17629, 0.0785, 905.67), (26933, 0.0707, 1258.25), (31100, 0.0916, 1916.08), (89796, 0.0735, 2297.75), (179613, 0.0765, 6611.92), (183779, 0.9454, 13482.83), ('inf', 0.0962, 17422.00)),
-                    'annually': ((8500, 0.0400, 0.0), (11700, 0.0450, 340.00), (13900, 0.0525, 484.00), (21400, 0.0590, 600.00), (80650, 0.0633, 1042.00), (96800, 0.0657, 4793.00), (107650, 0.0783, 5854.00), (157650, 0.0833, 6703.00), (211550, 0.0785, 10868.00), (323200, 0.0707, 15099.00), (373200, 0.0916, 22993.00), (1077550, 0.0735, 27573.00), (2155350, 0.0765, 79343.00), (2205350, 0.9454, 161794.00), ('inf', 0.0962, 209064.00)),
-                }
-            }</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ny_sit_tax_rate"/>
-            <field name="date_from" eval="datetime(2019, 1, 1).date()"/>
-        </record>
         <record id="rule_parameter_us_ny_sit_tax_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">{
                 'single': {
@@ -270,6 +253,177 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_ny_sit_tax_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+<!--        https://www.tax.ny.gov/pdf/publications/withholding/nys50_t_nys_121.pdf-->
+        <record id="rule_parameter_us_ny_sit_tax_rate_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">{
+                'single': {
+                    'weekly': (
+                        (  163, 0.0400,    0.00),
+                        (  225, 0.0450,    6.54),
+                        (  267, 0.0525,    9.31),
+                        (  412, 0.0590,   11.54),
+                        ( 1551, 0.0597,   20.04),
+                        ( 1862, 0.0633,   88.06),
+                        ( 2070, 0.0738,  107.73),
+                        ( 3032, 0.0788,  123.12),
+                        ( 4142, 0.0683,  198.88),
+                        ( 5104, 0.0959,  274.75),
+                        (20722, 0.0735,  366.96),
+                        (21684, 0.5208, 1514.90),
+                        ('inf', 0.0962, 2015.67),
+                    ),
+                    'bi-weekly': (
+                        (  327, 0.0400,    0.00),
+                        (  450, 0.0450,   13.08),
+                        (  535, 0.0525,   18.62),
+                        (  823, 0.0590,   23.08),
+                        ( 3102, 0.0597,   40.08),
+                        ( 3723, 0.0633,  176.12),
+                        ( 4140, 0.0738,  215.46),
+                        ( 6063, 0.0788,  246.23),
+                        ( 8285, 0.0683,  397.77),
+                        (10208, 0.0959,  549.50),
+                        (41444, 0.0735,  733.92),
+                        (43367, 0.5208, 3029.81),
+                        ('inf', 0.0962, 4031.45),
+                    ),
+                    'semi-monthly': (
+                        (  354, 0.0400,    0.00),
+                        (  488, 0.0450,   14.17),
+                        (  579, 0.0525,   20.17),
+                        (  892, 0.0590,   25.00),
+                        ( 3360, 0.0597,   43.42),
+                        ( 4033, 0.0633,  190.79),
+                        ( 4485, 0.0738,  233.42),
+                        ( 6569, 0.0788,  266.75),
+                        ( 8975, 0.0683,  430.92),
+                        (11058, 0.0959,  595.29),
+                        (44898, 0.0735,  795.08),
+                        (46981, 0.5208, 3282.29),
+                        ('inf', 0.0962, 4367.29),
+                    ),
+                    'monthly': (
+                        (  708, 0.0400,    0.00),
+                        (  975, 0.0450,   28.33),
+                        ( 1158, 0.0525,   40.33),
+                        ( 1783, 0.0590,   50.00),
+                        ( 6721, 0.0597,   86.83),
+                        ( 8067, 0.0633,  381.58),
+                        ( 8971, 0.0738,  466.83),
+                        (13138, 0.0788,  533.50),
+                        (17950, 0.0683,  861.83),
+                        (22117, 0.0959, 1190.58),
+                        (89796, 0.0735, 1590.17),
+                        (93963, 0.5208, 6564.58),
+                        ('inf', 0.0962, 8734.58),
+                    ),
+                    'annually': (
+                        (   8500, 0.0400,      0.00),
+                        (  11700, 0.0450,    340.00),
+                        (  13900, 0.0525,    484.00),
+                        (  21400, 0.0590,    600.00),
+                        (  80650, 0.0597,   1042.00),
+                        (  96800, 0.0633,   4579.00),
+                        ( 107650, 0.0738,   5602.00),
+                        ( 157650, 0.0788,   6402.00),
+                        ( 215400, 0.0683,  10342.00),
+                        ( 265400, 0.0959,  14287.00),
+                        (1077550, 0.0735,  19082.00),
+                        (1127550, 0.5208,  78775.00),
+                        (  'inf', 0.0962, 104815.00),
+                    ),
+                },
+                'married': {
+                    'weekly': (
+                        (  163, 0.0400,    0.00),
+                        (  225, 0.0450,    6.54),
+                        (  267, 0.0525,    9.31),
+                        (  412, 0.0590,   11.54),
+                        ( 1551, 0.0597,   20.04),
+                        ( 1862, 0.0633,   88.06),
+                        ( 2070, 0.0728,  107.73),
+                        ( 3032, 0.0778,  122.90),
+                        ( 4068, 0.0799,  197.71),
+                        ( 6215, 0.0683,  280.54),
+                        ( 7177, 0.1071,  427.19),
+                        (20722, 0.0735,  530.17),
+                        (41449, 0.0765, 1525.73),
+                        (42411, 0.9454, 3111.35),
+                        ('inf', 0.0962, 4020.38),
+                    ),
+                    'bi-weekly': (
+                        (  327, 0.0400,    0.00),
+                        (  450, 0.0450,   13.08),
+                        (  535, 0.0525,   18.62),
+                        (  823, 0.0590,   23.08),
+                        ( 3102, 0.0597,   40.08),
+                        ( 3723, 0.0633,  176.12),
+                        ( 4140, 0.0728,  215.46),
+                        ( 6063, 0.0778,  245.81),
+                        ( 8137, 0.0799,  395.42),
+                        (12431, 0.0683,  561.08),
+                        (14354, 0.1071,  854.38),
+                        (41444, 0.0735, 1060.35),
+                        (82898, 0.0765, 3051.46),
+                        (84821, 0.9454, 6222.69),
+                        ('inf', 0.0962, 8040.77),
+                    ),
+                    'semi-monthly': (
+                        (  354, 0.0400,    0.00),
+                        (  488, 0.0450,   14.17),
+                        (  579, 0.0525,   20.17),
+                        (  892, 0.0590,   25.00),
+                        ( 3360, 0.0597,   43.42),
+                        ( 4033, 0.0633,  190.79),
+                        ( 4485, 0.0728,  233.42),
+                        ( 6569, 0.0778,  266.29),
+                        ( 8815, 0.0799,  428.38),
+                        (13467, 0.0683,  607.83),
+                        (15550, 0.1071,  925.58),
+                        (44898, 0.0735, 1148.71),
+                        (89806, 0.0765, 3305.75),
+                        (91890, 0.9454, 6741.25),
+                        ('inf', 0.0962, 8710.83),
+                    ),
+                    'monthly': (
+                        (   708, 0.0400,     0.00),
+                        (   975, 0.0450,    28.33),
+                        (  1158, 0.0525,    40.33),
+                        (  1783, 0.0590,    50.00),
+                        (  6721, 0.0597,    86.83),
+                        (  8067, 0.0633,   381.58),
+                        (  8971, 0.0728,   466.83),
+                        ( 13138, 0.0778,   532.58),
+                        ( 17629, 0.0799,   856.75),
+                        ( 26933, 0.0683,  1215.67),
+                        ( 31100, 0.1071,  1851.17),
+                        ( 89796, 0.0735,  2297.42),
+                        (179613, 0.0765,  6611.50),
+                        (183779, 0.9454, 13482.50),
+                        ( 'inf', 0.0962, 17421.67),
+                    ),
+                    'annually': (
+                        (   8500, 0.0400,      0.00),
+                        (  11700, 0.0450,    340.00),
+                        (  13900, 0.0525,    484.00),
+                        (  21400, 0.0590,    600.00),
+                        (  80650, 0.0597,   1042.00),
+                        (  96800, 0.0633,   4579.00),
+                        ( 107650, 0.0728,   5602.00),
+                        ( 157650, 0.0778,   6391.00),
+                        ( 211550, 0.0799,  10281.00),
+                        ( 323200, 0.0683,  14588.00),
+                        ( 373200, 0.1071,  22214.00),
+                        (1077550, 0.0735,  27569.00),
+                        (2155350, 0.0765,  79338.00),
+                        (2205350, 0.9454, 161790.00),
+                        (  'inf', 0.0962, 209060.00),
+                    ),
+                }
+            }</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_ny_sit_tax_rate"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
 
     <record id="rule_parameter_us_ny_sit_over_10_exemption_rate" model="hr.rule.parameter">
@@ -278,17 +432,6 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
-        <record id="rule_parameter_us_ny_sit_over_10_exemption_rate_2019" model="hr.rule.parameter.value">
-            <field name="parameter_value">{
-                'weekly':       (142.30, 152.90, 19.25),
-                'bi-weekly':    (284.60, 305.80, 38.50),
-                'semi-monthly': (308.35, 331.25, 41.65),
-                'monthly':      (616.70, 662.50, 83.30),
-                'annual':       (7400, 7950, 1000),
-            }</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ny_sit_over_10_exemption_rate"/>
-            <field name="date_from" eval="datetime(2019, 1, 1).date()"/>
-        </record>
         <record id="rule_parameter_us_ny_sit_over_10_exemption_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">{
                 'weekly':       (142.30, 152.90, 19.25),
@@ -300,6 +443,17 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_ny_sit_over_10_exemption_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <record id="rule_parameter_us_ny_sit_over_10_exemption_rate_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">{
+                'weekly':       (142.30, 152.90, 19.25),
+                'bi-weekly':    (284.60, 305.80, 38.50),
+                'semi-monthly': (308.35, 331.25, 41.65),
+                'monthly':      (616.70, 662.50, 83.30),
+                'annual':       (7400, 7950, 1000),
+            }</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_ny_sit_over_10_exemption_rate"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
     <!-- Table A - Combined deduction and exemption allowance (Step 1) -->
     <record id="rule_parameter_us_ny_sit_deduction_exemption_rate" model="hr.rule.parameter">
@@ -308,26 +462,6 @@
         <field name="country_id" ref="base.us"/>
     </record>
     <data noupdate="1">
-        <record id="rule_parameter_us_ny_sit_deduction_exemption_rate_2019" model="hr.rule.parameter.value">
-            <field name="parameter_value">{
-                'single': {
-                    'weekly':       (142.30, 161.55, 180.80, 200.05, 219.30, 238.55, 257.80, 277.05, 296.30, 315.55, 334.80),
-                    'bi-weekly':    (284.60, 323.10, 361.60, 400.10, 438.60, 477.10, 515.60, 544.10, 592.60, 631.10, 669.60),
-                    'semi-monthly': (308.35, 350.0, 391.65, 433.30, 474.95, 516.60, 558.25, 599.90, 641.55, 683.20, 724.85),
-                    'monthly':      (616.70, 700, 783.30, 866.60, 949.90, 1033.20, 1116.50, 1199.80, 1283.10, 1366.40, 1449.70),
-                    'annually':     (7400, 8400, 9400, 10400, 11400, 12400, 13400, 14400, 15400, 16400, 17400),
-                },
-                'married': {
-                    'weekly':       (152.90, 172.15, 191.40, 210.65, 229.90, 249.15, 268.40, 287.65, 306.90, 326.15, 345.40),
-                    'bi-weekly':    (305.80, 344.30, 382.80, 421.30, 459.80, 498.30, 536.80, 575.30, 613.80, 652.30, 690.80),
-                    'semi-monthly': (331.25, 372.90, 414.55, 456.20, 497.85, 539.50, 581.15, 622.80, 664.45, 706.10, 747.75),
-                    'monthly':      (662.50, 745.80, 829.10, 912.40, 995.70, 1079.00, 1162.30, 1245.60, 1328.90, 1412.20, 1495.50),
-                    'annually':     (7950, 8950, 9950, 10950, 11950, 12950, 13950, 14950, 15950, 16950, 17950),
-                },
-            }</field>
-            <field name="rule_parameter_id" ref="rule_parameter_us_ny_sit_deduction_exemption_rate"/>
-            <field name="date_from" eval="datetime(2019, 1, 1).date()"/>
-        </record>
         <record id="rule_parameter_us_ny_sit_deduction_exemption_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">{
                 'single': {
@@ -348,6 +482,26 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_ny_sit_deduction_exemption_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <record id="rule_parameter_us_ny_sit_deduction_exemption_rate_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">{
+                'single': {
+                    'weekly':       (142.30, 161.55, 180.80, 200.05, 219.30, 238.55, 257.80, 277.05, 296.30, 315.55, 334.80),
+                    'bi-weekly':    (284.60, 323.10, 361.60, 400.10, 438.60, 477.10, 515.60, 544.10, 592.60, 631.10, 669.60),
+                    'semi-monthly': (308.35, 350.0, 391.65, 433.30, 474.95, 516.60, 558.25, 599.90, 641.55, 683.20, 724.85),
+                    'monthly':      (616.70, 700, 783.30, 866.60, 949.90, 1033.20, 1116.50, 1199.80, 1283.10, 1366.40, 1449.70),
+                    'annually':     (7400, 8400, 9400, 10400, 11400, 12400, 13400, 14400, 15400, 16400, 17400),
+                },
+                'married': {
+                    'weekly':       (152.90, 172.15, 191.40, 210.65, 229.90, 249.15, 268.40, 287.65, 306.90, 326.15, 345.40),
+                    'bi-weekly':    (305.80, 344.30, 382.80, 421.30, 459.80, 498.30, 536.80, 575.30, 613.80, 652.30, 690.80),
+                    'semi-monthly': (331.25, 372.90, 414.55, 456.20, 497.85, 539.50, 581.15, 622.80, 664.45, 706.10, 747.75),
+                    'monthly':      (662.50, 745.80, 829.10, 912.40, 995.70, 1079.00, 1162.30, 1245.60, 1328.90, 1412.20, 1495.50),
+                    'annually':     (7950, 8950, 9950, 10950, 11950, 12950, 13950, 14950, 15950, 16950, 17950),
+                },
+            }</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_ny_sit_deduction_exemption_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_ny_new_york_payslip_2019.py b/l10n_us_hr_payroll/tests/test_us_ny_new_york_payslip_2019.py
deleted file mode 100644
index 2c3b9306..00000000
--- a/l10n_us_hr_payroll/tests/test_us_ny_new_york_payslip_2019.py
+++ /dev/null
@@ -1,133 +0,0 @@
-# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
-
-from .common import TestUsPayslip, process_payslip
-
-
-class TestUsNYPayslip(TestUsPayslip):
-    ###
-    #    Taxes and Rates
-    ###
-    NY_UNEMP_MAX_WAGE = 11400.0
-    NY_UNEMP = 2.5
-    NY_RSF = 0.075
-    NY_MCTMT = 0.0
-
-    def test_single_example1(self):
-        salary = 400
-        schedule_pay = 'weekly'
-        allowances = 3
-        additional_withholding = 0
-        filing_status = 'single'
-        additional = 0.0
-        wh = -8.20
-
-        employee = self._createEmployee()
-
-        contract = self._createContract(employee,
-                                        wage=salary,
-                                        state_id=self.get_us_state('NY'),
-                                        ny_it2104_sit_filing_status=filing_status,
-                                        state_income_tax_additional_withholding=additional,
-                                        ny_it2104_sit_allowances=allowances,
-                                        schedule_pay=schedule_pay)
-
-        self.assertEqual(contract.schedule_pay, 'weekly')
-        self._log('2018 New York tax first payslip:')
-        payslip = self._createPayslip(employee, '2019-01-01', '2019-01-31')
-
-        payslip.compute_sheet()
-
-        cats = self._getCategories(payslip)
-
-        self.assertPayrollEqual(cats['NY_UNEMP'], cats['NY_UNEMP_WAGES'] * self.NY_UNEMP)
-        self.assertPayrollEqual(cats['NY_RSF'], cats['NY_UNEMP_WAGES'] * self.NY_RSF)
-        self.assertPayrollEqual(cats['NY_MCTMT'], cats['NY_UNEMP_WAGES'] * self.NY_MCTMT)
-        self.assertPayrollEqual(cats['EE_US_SIT'], wh)
-
-        process_payslip(payslip)
-
-    def test_married_example2(self):
-        salary = 5000
-        schedule_pay = 'semi-monthly'
-        allowances = 3
-        additional = 0
-        filing_status = 'married'
-        wh = -284.19
-
-        employee = self._createEmployee()
-        contract = self._createContract(employee,
-                                        wage=salary,
-                                        state_id=self.get_us_state('NY'),
-                                        ny_it2104_sit_filing_status=filing_status,
-                                        state_income_tax_additional_withholding=additional,
-                                        ny_it2104_sit_allowances=allowances,
-                                        schedule_pay=schedule_pay)
-
-        self._log('2019 New York tax first payslip:')
-        payslip = self._createPayslip(employee, '2019-01-01', '2019-01-31')
-
-        payslip.compute_sheet()
-
-        cats = self._getCategories(payslip)
-
-        self.assertPayrollEqual(cats['NY_UNEMP'], cats['NY_UNEMP_WAGES'] * self.NY_UNEMP)
-        self.assertPayrollEqual(cats['NY_RSF'], cats['NY_UNEMP_WAGES'] * self.NY_RSF)
-        self.assertPayrollEqual(cats['NY_MCTMT'], cats['NY_UNEMP_WAGES'] * self.NY_MCTMT)
-        self.assertPayrollEqual(cats['EE_US_SIT'], wh)
-
-        process_payslip(payslip)
-
-    def test_single_example3(self):
-        salary = 50000
-        schedule_pay = 'monthly'
-        allowances = 3
-        additional = 0
-        filing_status = 'single'
-        wh = -3575.63
-
-        employee = self._createEmployee()
-
-        contract = self._createContract(employee,
-                                        wage=salary,
-                                        state_id=self.get_us_state('NY'),
-                                        ny_it2104_sit_filing_status=filing_status,
-                                        state_income_tax_additional_withholding=additional,
-                                        ny_it2104_sit_allowances=allowances,
-                                        schedule_pay=schedule_pay)
-
-        self._log('2019 New York tax first payslip:')
-        payslip = self._createPayslip(employee, '2019-01-01', '2019-01-31')
-
-        payslip.compute_sheet()
-
-        cats = self._getCategories(payslip)
-
-        self.assertPayrollEqual(cats['EE_US_SIT'], wh)
-
-    def test_exempt_example3(self):
-        salary = 50000
-        schedule_pay = 'monthly'
-        allowances = 3
-        additional = 0
-        filing_status = ''
-        wh = 0.0
-
-        employee = self._createEmployee()
-
-        contract = self._createContract(employee,
-                                        wage=salary,
-                                        state_id=self.get_us_state('NY'),
-                                        ny_it2104_sit_filing_status=filing_status,
-                                        state_income_tax_additional_withholding=additional,
-                                        ny_it2104_sit_allowances=allowances,
-                                        schedule_pay=schedule_pay)
-
-        self._log('2019 New York tax first payslip:')
-        payslip = self._createPayslip(employee, '2019-01-01', '2019-01-31')
-
-        payslip.compute_sheet()
-
-        cats = self._getCategories(payslip)
-
-        self.assertPayrollEqual(cats['EE_US_SIT'], wh)
-
diff --git a/l10n_us_hr_payroll/tests/test_us_ny_new_york_payslip_2021.py b/l10n_us_hr_payroll/tests/test_us_ny_new_york_payslip_2021.py
new file mode 100644
index 00000000..e8f0383d
--- /dev/null
+++ b/l10n_us_hr_payroll/tests/test_us_ny_new_york_payslip_2021.py
@@ -0,0 +1,39 @@
+# 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 TestUsNYPayslip(TestUsPayslip):
+    ###
+    #   2021 Taxes and Rates
+    ###
+    NY_UNEMP_MAX_WAGE = 11800.0
+    NY_UNEMP = 2.5  #todo: update Feb 2021
+    NY_RSF = 0.075 #todo: update Feb 2021
+    NY_MCTMT = 0.0 #todo: update Feb 2021
+
+    def _test_sit(self, wage, filing_status, additional_withholding,  allowances,  schedule_pay,  date_start, expected_withholding):
+        employee = self._createEmployee()
+        contract = self._createContract(employee,
+                                        wage=wage,
+                                        state_id=self.get_us_state('NY'),
+                                        ny_it2104_sit_filing_status=filing_status,
+                                        state_income_tax_additional_withholding=additional_withholding,
+                                        ny_it2104_sit_allowances=allowances,
+                                        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_2020_taxes_example(self):
+        combined_er_rate = self.NY_UNEMP + self.NY_RSF + self.NY_MCTMT
+        self._test_er_suta('NY', combined_er_rate, date(2021, 1, 1), wage_base=self.NY_UNEMP_MAX_WAGE, relaxed=True)
+        self._test_sit(400.0, 'single', 0.0, 3, 'weekly', date(2021, 1, 1), 8.20)
+        self._test_sit(10000.0, 'single', 0.0, 3, 'monthly', date(2021, 1, 1), 546.30)
+        self._test_sit(8000.0, 'married', 0.0, 5, 'monthly', date(2021, 1, 1), 394.24)
+        self._test_sit(4500.0, 'married', 10.0, 3, 'semi-monthly', date(2021, 1, 1), 244.21)
+        self._test_sit(50000.0, '', 0.0, 0, 'monthly', date(2021, 1, 1), 0.00)