diff --git a/l10n_us_hr_payroll/__init__.py b/l10n_us_hr_payroll/__init__.py
index cde864ba..0650744f 100755
--- a/l10n_us_hr_payroll/__init__.py
+++ b/l10n_us_hr_payroll/__init__.py
@@ -1,3 +1 @@
-# -*- coding: utf-8 -*-
-
 from . import models
diff --git a/l10n_us_hr_payroll/__manifest__.py b/l10n_us_hr_payroll/__manifest__.py
index e695b180..dd863641 100755
--- a/l10n_us_hr_payroll/__manifest__.py
+++ b/l10n_us_hr_payroll/__manifest__.py
@@ -1,11 +1,10 @@
-# -*- encoding: utf-8 -*-
 {
     'name': 'USA - Payroll',
     'author': 'Hibou Corp. <hello@hibou.io>',
     'license': 'AGPL-3',
     'category': 'Localization',
     'depends': ['hr_payroll', 'hr_payroll_rate'],
-    'version': '11.0.2018.1.0',
+    'version': '12.0.2019.1.0',
     'description': """
 USA Payroll Rules.
 ==================
diff --git a/l10n_us_hr_payroll/data/rules.xml b/l10n_us_hr_payroll/data/rules.xml
index b0abf7cf..469f62f7 100755
--- a/l10n_us_hr_payroll/data/rules.xml
+++ b/l10n_us_hr_payroll/data/rules.xml
@@ -14,7 +14,7 @@
         <field name="amount_select">code</field>
         <field name="amount_python_compute">
 ###
-year = int(payslip.dict.date_to[:4])
+year = payslip.dict.date_to.year
 ytd = payslip.sum('WAGE_US_FICA_SS', str(year) + '-01-01', str(year+1) + '-01-01')
 ytd += contract.external_wages
 rate = payslip.dict.get_rate('US_FICA_SS')
@@ -52,7 +52,7 @@ else:
 ###
 rate = payslip.dict.get_rate('US_FICA_M_ADD')
 ADD_M = rate.wage_limit_year
-year = int(payslip.dict.date_to[:4])
+year = payslip.dict.date_to.year
 norm_med_ytd = payslip.sum('WAGE_US_FICA_M', str(year) + '-01-01', str(year+1) + '-01-01')
 norm_med_cur = categories.WAGE_US_FICA_M
 
@@ -124,7 +124,7 @@ result = categories.WAGE_US_FICA_M_ADD
         <field name="condition_python">result = (contract.w4_filing_status != 'married' and contract.w4_filing_status)</field>
         <field name="amount_select">code</field>
         <field name="amount_python_compute">
-year = int(payslip.dict.date_to[:4])
+year = payslip.dict.date_to.year
 wages = categories.GROSS
 allowances = contract.w4_allowances
 is_nra = contract.w4_is_nonresident_alien
@@ -560,7 +560,7 @@ result = -(val + additional)
         <field name="condition_python">result = (contract.w4_filing_status == 'married')</field>
         <field name="amount_select">code</field>
         <field name="amount_python_compute">
-year = int(payslip.dict.date_to[:4])
+year = payslip.dict.date_to.year
 wages = categories.GROSS
 allowances = contract.w4_allowances
 is_nra = contract.w4_is_nonresident_alien
@@ -999,7 +999,7 @@ result = -(val + additional)
         <field name="amount_python_compute">
 ###
 rate = payslip.dict.get_futa_rate(contract)
-year = int(payslip.dict.date_to[:4])
+year = payslip.dict.date_to.year
 ytd = payslip.sum('WAGE_US_FUTA', str(year) + '-01-01', str(year+1) + '-01-01')
 ytd += contract.external_wages
 remaining = rate.wage_limit_year - ytd
@@ -1021,7 +1021,7 @@ else:
         <field name="condition_python">result = (contract.futa_type != contract.FUTA_TYPE_EXEMPT)</field>
         <field name="amount_select">code</field>
         <field name="amount_python_compute">
-year = int(payslip.dict.date_to[:4])
+year = payslip.dict.date_to.year
 rate = payslip.dict.get_futa_rate(contract)
 result_rate = -(rate.rate)
 result = categories.WAGE_US_FUTA
diff --git a/l10n_us_hr_payroll/tests/__init__.py b/l10n_us_hr_payroll/tests/__init__.py
index 984a9040..abe27c5a 100755
--- a/l10n_us_hr_payroll/tests/__init__.py
+++ b/l10n_us_hr_payroll/tests/__init__.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from . import test_us_payslip
 from . import test_us_payslip_2018
 from . import test_us_payslip_2019
diff --git a/l10n_us_hr_payroll/tests/test_us_payslip.py b/l10n_us_hr_payroll/tests/test_us_payslip.py
index 6e8248d0..e25642fc 100755
--- a/l10n_us_hr_payroll/tests/test_us_payslip.py
+++ b/l10n_us_hr_payroll/tests/test_us_payslip.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from logging import getLogger
 from sys import float_info as sys_float_info