diff --git a/l10n_us_hr_payroll/data/state/me_maine.xml b/l10n_us_hr_payroll/data/state/me_maine.xml
index 2c1aaf71..810154f6 100644
--- a/l10n_us_hr_payroll/data/state/me_maine.xml
+++ b/l10n_us_hr_payroll/data/state/me_maine.xml
@@ -26,6 +26,12 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_me_suta_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <!-- https://www.maine.gov/unemployment/docs/2020/2021taxrate.pdf -->
+        <record id="rule_parameter_us_me_suta_rate_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">2.31</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_me_suta_rate"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
     <!-- table based on https://www.maine.gov/revenue/forms/with/2020/20_WH_Tab&Instructions.pdf step 6.-->
     <record id="rule_parameter_us_me_sit_tax_rate" model="hr.rule.parameter">
@@ -50,6 +56,22 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_me_sit_tax_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <record id="rule_parameter_us_me_sit_tax_rate_2021" model="hr.rule.parameter.value">
+            <field name="parameter_value">{
+                'single': (
+                    (  22450,     0,  5.80),
+                    (  53150,  1302,  6.75),
+                    (  'inf',  3374,  7.15),
+                ),
+                'married': (
+                    (  44950,     0,  5.80),
+                    ( 106350,  2607,  6.75),
+                    ( 'inf',   6752,  7.15),
+                ),
+            }</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_me_sit_tax_rate"/>
+            <field name="date_from" eval="datetime(2021, 1, 1).date()"/>
+        </record>
     </data>
     
     <record id="rule_parameter_us_me_sit_standard_deduction_rate" model="hr.rule.parameter">
@@ -72,6 +94,22 @@
             <field name="rule_parameter_id" ref="rule_parameter_us_me_sit_standard_deduction_rate"/>
             <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
         </record>
+        <!-- https://www.maine.gov/revenue/sites/maine.gov.revenue/files/inline-files/21_wh_tab_instr_1.pdf -->
+        <!-- page 6 step 3 -->
+        <record id="rule_parameter_us_me_sit_standard_deduction_rate_2020" model="hr.rule.parameter.value">
+            <field name="parameter_value">{
+                'single':   {
+                    ( 83850,   9700),
+                    (158850,  75000),
+                },
+                'married':  {
+                    (167700,  22250),
+                    (317700, 150000),
+                },
+            }</field>
+            <field name="rule_parameter_id" ref="rule_parameter_us_me_sit_standard_deduction_rate"/>
+            <field name="date_from" eval="datetime(2020, 1, 1).date()"/>
+        </record>
     </data>
     
     <record id="rule_parameter_us_me_sit_personal_exemption_rate" model="hr.rule.parameter">
diff --git a/l10n_us_hr_payroll/models/state/me_maine.py b/l10n_us_hr_payroll/models/state/me_maine.py
index 0accc6ff..ad6b9851 100644
--- a/l10n_us_hr_payroll/models/state/me_maine.py
+++ b/l10n_us_hr_payroll/models/state/me_maine.py
@@ -1,6 +1,8 @@
 # Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
 
 from .general import _state_applies, sit_wage
+import logging
+_logger = logging.getLogger(__name__)
 
 
 def me_maine_state_income_withholding(payslip, categories, worked_days, inputs):
@@ -10,21 +12,26 @@ def me_maine_state_income_withholding(payslip, categories, worked_days, inputs):
 
     :return: result, result_rate (wage, percent)
     """
+
     state_code = 'ME'
     if not _state_applies(payslip, state_code):
+        _logger.warn('state doesnt apply')
         return 0.0, 0.0
 
     # Determine Wage
     wage = sit_wage(payslip, categories)
     if not wage:
+        _logger.warn('no wage')
         return 0.0, 0.0
 
     filing_status = payslip.contract_id.us_payroll_config_value('me_w4me_sit_filing_status')
     if not filing_status:
+        _logger.warn('exempt file status')
         return 0.0, 0.0
 
     exempt = payslip.contract_id.us_payroll_config_value('state_income_tax_exempt')
     if exempt:
+        _logger.warn('generic exemption')
         return 0.0, 0.0
 
     pay_periods = payslip.dict.get_pay_periods_in_year()
@@ -38,7 +45,8 @@ def me_maine_state_income_withholding(payslip, categories, worked_days, inputs):
     exemption_amt = allowances * personal_exemption
     last = 0.0
     standard_deduction_amt = 0.0
-    for row in standard_deduction:
+
+    for row in standard_deduction:  #Standard_deduction is a set so looping through without giving it order isn't working
         amt, flat_amt = row
         if taxable_income < 82900:
             standard_deduction_amt = flat_amt
diff --git a/l10n_us_hr_payroll/tests/test_us_me_maine_payslip_2021.py b/l10n_us_hr_payroll/tests/test_us_me_maine_payslip_2021.py
new file mode 100644
index 00000000..5bd17991
--- /dev/null
+++ b/l10n_us_hr_payroll/tests/test_us_me_maine_payslip_2021.py
@@ -0,0 +1,45 @@
+# 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 TestUsMEPayslip(TestUsPayslip):
+    ###
+    #   2021 Taxes and Rates
+    ###
+    ME_UNEMP_MAX_WAGE = 12000.0
+    ME_UNEMP = 2.31
+    # Calculation based on this file page.6 and 7 https://www.maine.gov/revenue/forms/with/2021/20_WH_Tab&Instructions.pdf
+
+    def _test_sit(self, wage, filing_status, additional_withholding, exempt, allowances, schedule_pay,  date_start, expected_withholding):
+        employee = self._createEmployee()
+        contract = self._createContract(employee,
+                                        wage=wage,
+                                        state_id=self.get_us_state('ME'),
+                                        me_w4me_sit_filing_status=filing_status,
+                                        state_income_tax_additional_withholding=additional_withholding,
+                                        state_income_tax_exempt=exempt,
+                                        me_w4me_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_2021_taxes_example(self):
+        # todo: not calculating correctly according to https://www.maine.gov/revenue/sites/maine.gov.revenue/files/inline-files/21_wh_tab_instr_1.pdf
+        # See examples on page 7
+
+        import pydevd_pycharm
+        pydevd_pycharm.settrace('192.168.1.134', port=6900, stdoutToServer=True, stderrToServer=True)
+
+        self._test_er_suta('ME', self.ME_UNEMP, date(2021, 1, 1), wage_base=self.ME_UNEMP_MAX_WAGE)
+        self._test_sit(300.0, 'single', 0.0, False, 2, 'weekly', date(2021, 1, 1), 0.0)
+        self._test_sit(1800.0, 'single', 0.0, False, 2, 'bi-weekly', date(2021, 1, 1), 6.00)
+        self._test_sit(4500.0, 'married', 0.0, True, 0, 'weekly', date(2021, 1, 1), 0.00)
+        self._test_sit(4500.0, 'married', 0.0, False, 2, 'monthly', date(2021, 1, 1), 113.00)
+        self._test_sit(4500.0, 'married', 10.0, False, 2, 'weekly', date(2021, 1, 1), 287.00)
+        self._test_sit(7000.0, '', 10.0, False, 2, 'weekly', date(2021, 1, 1), 0.00)