FIX Support FICA Exempt employees

l10n_us_hr_payroll/models/l10n_us_hr_payroll.py

@@ -34,6 +34,8 @@ class USHrContract(models.Model):
     w4_additional_withholding = fields.Float(string="Federal W4 Additional Withholding", default=0.0)
 
     external_wages = fields.Float(string='External Existing Wages', default=0.0)
+    fica_exempt = fields.Boolean(string='FICA Exempt', help="Exempt from Social Security and "
+                                                            "Medicare e.g. F1 Student Visa")
 
     futa_type = fields.Selection([
         (FUTA_TYPE_EXEMPT, 'Exempt (0%)'),

l10n_us_hr_payroll/views/l10n_us_hr_payroll_view.xml

@@ -15,6 +15,7 @@
                     <field name="w4_is_nonresident_alien"/>
                     <field name="external_wages"/>
                     <field name="futa_type"/>
+                    <field name="fica_exempt"/>
                 </xpath>
             </data>
             </field>