diff --git a/l10n_us_hr_payroll/data/state/hi_hawaii.xml b/l10n_us_hr_payroll/data/state/hi_hawaii.xml
index 862ca102..798821f2 100644
--- a/l10n_us_hr_payroll/data/state/hi_hawaii.xml
+++ b/l10n_us_hr_payroll/data/state/hi_hawaii.xml
@@ -46,18 +46,74 @@
     <data noupdate="1">
         <record id="rule_parameter_us_hi_sit_tax_rate_2019" model="hr.rule.parameter.value">
             <field name="parameter_value">{
-                'single': ((2400, 0.00, 1.40), (4800, 34.00, 3.20), (9600, 110.00, 5.50), (14400, 374.00, 6.40), (19200, 682.00, 6.80), (24000, 1008.00, 7.20), (36000, 1354.00, 7.60), ('inf', 2266.00, 7.90)),
-                'married': ((4800, 0.00, 1.40), (9600, 67.00, 3.20), (19200, 221.00, 5.50), (28800, 749.00, 6.40), (38400, 1363.00, 6.80), (48000, 2016.00, 7.20), (72000, 2707.00, 7.60), ('inf', 4531.00, 7.90)),
-                'head_of_household': ((2400, 0.00, 1.40), (4800, 34.00, 3.20), (9600, 110.00, 5.50), (14400, 374.00, 6.40), (19200, 682.00, 6.80), (24000, 1008.00, 7.20), (36000, 1354.00, 7.60), ('inf', 2266.00, 7.90)),
+                'single': (
+                    ( 2400,    0.00, 1.40),
+                    ( 4800,   34.00, 3.20),
+                    ( 9600,  110.00, 5.50),
+                    (14400,  374.00, 6.40),
+                    (19200,  682.00, 6.80),
+                    (24000, 1008.00, 7.20),
+                    (36000, 1354.00, 7.60),
+                    ('inf', 2266.00, 7.90),
+                ),
+                'married': (
+                    ( 4800,    0.00, 1.40),
+                    ( 9600,   67.00, 3.20),
+                    (19200,  221.00, 5.50),
+                    (28800,  749.00, 6.40),
+                    (38400, 1363.00, 6.80),
+                    (48000, 2016.00, 7.20),
+                    (72000, 2707.00, 7.60),
+                    ('inf', 4531.00, 7.90),
+                ),
+                'head_of_household': (
+                    ( 2400,    0.00, 1.40),
+                    ( 4800,   34.00, 3.20),
+                    ( 9600,  110.00, 5.50),
+                    (14400,  374.00, 6.40),
+                    (19200,  682.00, 6.80),
+                    (24000, 1008.00, 7.20),
+                    (36000, 1354.00, 7.60),
+                    ('inf', 2266.00, 7.90),
+                ),
             }</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_hi_sit_tax_rate"/>
             <field name="date_from" eval="datetime(2019, 1, 1).date()"/>
         </record>
+        <!-- https://files.hawaii.gov/tax/forms/2019/19table.pdf -->
+        <!-- Table from Schedule I, II and III -->
         <record id="rule_parameter_us_hi_sit_tax_rate_2020" model="hr.rule.parameter.value">
             <field name="parameter_value">{
-                'single': ((2400, 0.00, 1.40), (4800, 34.00, 3.20), (9600, 110.00, 5.50), (14400, 374.00, 6.40), (19200, 682.00, 6.80), (24000, 1008.00, 7.20), (36000, 1354.00, 7.60), ('inf', 2266.00, 7.90)),
-                'married': ((4800, 0.00, 1.40), (9600, 67.00, 3.20), (19200, 221.00, 5.50), (28800, 749.00, 6.40), (38400, 1363.00, 6.80), (48000, 2016.00, 7.20), (72000, 2707.00, 7.60), ('inf', 4531.00, 7.90)),
-                'head_of_household': ((2400, 0.00, 1.40), (4800, 34.00, 3.20), (9600, 110.00, 5.50), (14400, 374.00, 6.40), (19200, 682.00, 6.80), (24000, 1008.00, 7.20), (36000, 1354.00, 7.60), ('inf', 2266.00, 7.90)),
+                'single': (
+                    ( 2400,    0.00, 1.40),
+                    ( 4800,   34.00, 3.20),
+                    ( 9600,  110.00, 5.50),
+                    (14400,  374.00, 6.40),
+                    (19200,  682.00, 6.80),
+                    (24000, 1008.00, 7.20),
+                    (36000, 1354.00, 7.60),
+                    ('inf', 2266.00, 7.90),
+                ),
+                'married': (
+                    ( 4800,    0.00, 1.40),
+                    ( 9600,   67.00, 3.20),
+                    (19200,  221.00, 5.50),
+                    (28800,  749.00, 6.40),
+                    (38400, 1363.00, 6.80),
+                    (48000, 2016.00, 7.20),
+                    (72000, 2707.00, 7.60),
+                    ('inf', 4531.00, 7.90),
+                ),
+                'head_of_household': (
+                    ( 2400,    0.00, 1.40),
+                    ( 4800,   34.00, 3.20),
+                    ( 9600,  110.00, 5.50),
+                    (14400,  374.00, 6.40),
+                    (19200,  682.00, 6.80),
+                    (24000, 1008.00, 7.20),
+                    (36000, 1354.00, 7.60),
+                    ('inf', 2266.00, 7.90),
+                ),
             }</field>
             <field name="rule_parameter_id" ref="rule_parameter_us_hi_sit_tax_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
diff --git a/l10n_us_hr_payroll/tests/test_us_hi_hawaii_payslip_2020.py b/l10n_us_hr_payroll/tests/test_us_hi_hawaii_payslip_2020.py
index 9684c52d..9a746057 100755
--- a/l10n_us_hr_payroll/tests/test_us_hi_hawaii_payslip_2020.py
+++ b/l10n_us_hr_payroll/tests/test_us_hi_hawaii_payslip_2020.py
@@ -33,3 +33,5 @@ class TestUsHIPayslip(TestUsPayslip):
         self._test_sit(5000.0, 'married', 0.0, 2.0, 'monthly', date(2020, 1, 1), 287.1)
         self._test_sit(5000.0, 'married', 10.0, 2.0, 'monthly', date(2020, 1, 1), 297.1)
         self._test_sit(50000.0, 'head_of_household', 0.0, 3.0, 'weekly', date(2020, 1, 1), 3933.65)
+        self._test_sit(750.0, 'single', 10.0, 3.0, 'bi-weekly', date(2020, 1, 1), 40.59)
+        self._test_sit(3000.0, '', 0.0, 3.0, 'weekly', date(2020, 1, 1), 0.00)