diff --git a/modules/account_eu/CHANGELOG b/modules/account_eu/CHANGELOG
index 106404c5a3..e57edfe52c 100644
--- a/modules/account_eu/CHANGELOG
+++ b/modules/account_eu/CHANGELOG
@@ -1,3 +1,4 @@
+* Add VAT exemption code on tax
 * Add support for Python 3.14
 * Remove support for Python 3.9
 
diff --git a/modules/account_eu/account.py b/modules/account_eu/account.py
index 3702485894..40a0623d24 100644
--- a/modules/account_eu/account.py
+++ b/modules/account_eu/account.py
@@ -10,18 +10,190 @@ from trytond.pool import Pool, PoolMeta
 from trytond.pyson import Bool, Eval
 from trytond.transaction import Transaction
 
+VATEX_CODES = [
+    ('VATEX-EU-79-C',
+        "Exempt based on article 79, point c of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132',
+        "Exempt based on article 132 of Council Directive 2006/112/EC"),
+    ('VATEX-EU-132-1A',
+        "Exempt based on article 132, section 1 (a) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1B',
+        "Exempt based on article 132, section 1 (b) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1C',
+        "Exempt based on article 132, section 1 (c) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1D',
+        "Exempt based on article 132, section 1 (d) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1E',
+        "Exempt based on article 132, section 1 (e) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1F',
+        "Exempt based on article 132, section 1 (f) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1G',
+        "Exempt based on article 132, section 1 (g) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1H',
+        "Exempt based on article 132, section 1 (h) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1I',
+        "Exempt based on article 132, section 1 (i) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1J',
+        "Exempt based on article 132, section 1 (j) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1K',
+        "Exempt based on article 132, section 1 (k) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1L',
+        "Exempt based on article 132, section 1 (l) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1M',
+        "Exempt based on article 132, section 1 (m) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1N',
+        "Exempt based on article 132, section 1 (n) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1O',
+        "Exempt based on article 132, section 1 (o) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1P',
+        "Exempt based on article 132, section 1 (p) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-132-1Q',
+        "Exempt based on article 132, section 1 (q) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143',
+        "Exempt based on article 143 of Council Directive 2006/112/EC"),
+    ('VATEX-EU-143-1A',
+        "Exempt based on article 143, section 1 (a) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1B',
+        "Exempt based on article 143, section 1 (b) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1C',
+        "Exempt based on article 143, section 1 (c) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1D',
+        "Exempt based on article 143, section 1 (d) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1E',
+        "Exempt based on article 143, section 1 (e) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1F',
+        "Exempt based on article 143, section 1 (f) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1FA',
+        "Exempt based on article 143, section 1 (fa) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1G',
+        "Exempt based on article 143, section 1 (g) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1H',
+        "Exempt based on article 143, section 1 (h) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1I',
+        "Exempt based on article 143, section 1 (i) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1J',
+        "Exempt based on article 143, section 1 (j) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1K',
+        "Exempt based on article 143, section 1 (k) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-143-1L',
+        "Exempt based on article 143, section 1 (l) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-144',
+        "Exempt based on article 144 of Council Directive 2006/112/EC"),
+    ('VATEX-EU-146-1E',
+        "Exempt based on article 146 section 1 (e) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-148',
+        "Exempt based on article 148 of Council Directive 2006/112/EC"),
+    ('VATEX-EU-148-A',
+        "Exempt based on article 148, section (a) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-148-B',
+        "Exempt based on article 148, section (b) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-148-C',
+        "Exempt based on article 148, section (c) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-148-D',
+        "Exempt based on article 148, section (d) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-148-E',
+        "Exempt based on article 148, section (e) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-148-F',
+        "Exempt based on article 148, section (f) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-148-G',
+        "Exempt based on article 148, section (g) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-151',
+        "Exempt based on article 151 of Council Directive 2006/112/EC"),
+    ('VATEX-EU-151-1A',
+        "Exempt based on article 151, section 1 (a) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-151-1AA',
+        "Exempt based on article 151, section 1 (aa) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-151-1B',
+        "Exempt based on article 151, section 1 (b) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-151-1C',
+        "Exempt based on article 151, section 1 (c) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-151-1D',
+        "Exempt based on article 151, section 1 (d) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-151-1E',
+        "Exempt based on article 151, section 1 (e) of Council Directive "
+        "2006/112/EC"),
+    ('VATEX-EU-159',
+        "Exempt based on article 159 of Council Directive 2006/112/EC"),
+    ('VATEX-EU-309',
+        "Exempt based on article 309 of Council Directive 2006/112/EC"),
+    ('VATEX-EU-AE', "Reverse charge"),
+    ('VATEX-EU-D',
+        "Intra-Community acquisition from second hand means of transport"),
+    ('VATEX-EU-F', "Intra-Community acquisition of second hand goods"),
+    ('VATEX-EU-G', "Export outside the EU"),
+    ('VATEX-EU-I', "Intra-Community acquisition of works of art"),
+    ('VATEX-EU-IC', "Intra-Community supply"),
+    ('VATEX-EU-O', "Not subject to VAT"),
+    ('VATEX-EU-J',
+        "Intra-Community acquisition of collectors items and antiques"),
+    ]
+
 
 class TaxTemplate(metaclass=PoolMeta):
     __name__ = 'account.tax.template'
 
     ec_sales_list_code = fields.Char("EC Sales List Code")
+    vatex_code = fields.Selection(
+        'get_vatex_codes', "Tax Exemption Code")
 
     def _get_tax_value(self, tax=None):
         value = super()._get_tax_value(tax=tax)
         if not tax or tax.ec_sales_list_code != self.ec_sales_list_code:
             value['ec_sales_list_code'] = self.ec_sales_list_code
+        if not tax or tax.vatex_code != self.vatex_code:
+            value['vatex_code'] = self.vatex_code
         return value
 
+    @classmethod
+    def get_vatex_codes(cls):
+        pool = Pool()
+        Tax = pool.get('account.tax')
+        return Tax.fields_get(['vatex_code'])['vatex_code']['selection']
+
 
 class Tax(metaclass=PoolMeta):
     __name__ = 'account.tax'
@@ -31,6 +203,13 @@ class Tax(metaclass=PoolMeta):
             'readonly': (Bool(Eval('template', -1))
                 & ~Eval('template_override', False)),
             })
+    vatex_code = fields.Selection(
+        [(None, "")] + VATEX_CODES, "Tax Exemption Code", sort=False,
+        states={
+            'readonly': (Bool(Eval('template', -1))
+                & ~Eval('template_override', False)),
+            },
+        help="The reason why the amount is exempted from VAT.")
 
 
 class ECSalesList(ModelSQL, ModelView):
diff --git a/modules/account_eu/view/tax_form.xml b/modules/account_eu/view/tax_form.xml
index 00447ad9dc..91de4c44b6 100644
--- a/modules/account_eu/view/tax_form.xml
+++ b/modules/account_eu/view/tax_form.xml
@@ -3,9 +3,13 @@
 this repository contains the full copyright notices and license terms. -->
 <data>
     <xpath expr="/form/notebook" position="inside">
-        <page id="ec_sales_list" string="EC Sales List">
+        <page id="eu_code" string="European Codes">
             <label name="ec_sales_list_code"/>
             <field name="ec_sales_list_code"/>
+            <newline/>
+
+            <label name="vatex_code"/>
+            <field name="vatex_code"/>
         </page>
     </xpath>
 </data>
diff --git a/modules/account_eu/view/tax_template_form.xml b/modules/account_eu/view/tax_template_form.xml
index 00447ad9dc..91de4c44b6 100644
--- a/modules/account_eu/view/tax_template_form.xml
+++ b/modules/account_eu/view/tax_template_form.xml
@@ -3,9 +3,13 @@
 this repository contains the full copyright notices and license terms. -->
 <data>
     <xpath expr="/form/notebook" position="inside">
-        <page id="ec_sales_list" string="EC Sales List">
+        <page id="eu_code" string="European Codes">
             <label name="ec_sales_list_code"/>
             <field name="ec_sales_list_code"/>
+            <newline/>
+
+            <label name="vatex_code"/>
+            <field name="vatex_code"/>
         </page>
     </xpath>
 </data>
diff --git a/modules/account_fr/account.py b/modules/account_fr/account.py
index 4418ceb6f4..ca2cfaed41 100644
--- a/modules/account_fr/account.py
+++ b/modules/account_fr/account.py
@@ -14,6 +14,88 @@ from trytond.pyson import Eval
 from trytond.transaction import Transaction
 from trytond.wizard import Button, StateTransition, StateView, Wizard
 
+VATEX_CODES = [
+    ('VATEX-FR-FRANCHISE', "France domestic VAT franchise in base"),
+    ('VATEX-FR-CNWVAT',
+        "France domestic Credit Notes without VAT, due to supplier forfeit of "
+        "VAT for discount"),
+    ('VATEX-EU-153',
+        "Exempt based on article 153 of Council Directive 2006/112/EC"),
+    ('VATEX-FR-CGI261-1',
+        "Exempt based on 1 of article 261 of the Code Général des Impôts "
+        "(CGI; General tax code)"),
+    ('VATEX-FR-CGI261-2',
+        "Exempt based on 2 of article 261 of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261-3',
+        "Exempt based on 3 of article 261 of the Code Général des Impôts "
+        "(CGI ; General tax code"),
+    ('VATEX-FR-CGI261-4',
+        "Exempt based on 4 of article 261 of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261-5',
+        "Exempt based on 5 of article 261 of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261-7',
+        "Exempt based on 7 of article 261 of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261-8',
+        "Exempt based on 8 of article 261 of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261A',
+        "Exempt based on article 261 A of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261B',
+        "Exempt based on article 261 B of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261C-1',
+        "Exempt based on 1° of article 261 C of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261C-2',
+        "Exempt based on 2° of article 261 C of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261C-3',
+        "Exempt based on 3° of article 261 C of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261D-1',
+        "Exempt based on 1° of article 261 D of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261D-1BIS',
+        "Exempt based on 1°bis of article 261 D of the Code Général des "
+        "Impôts (CGI ; General tax code)"),
+    ('VATEX-FR-CGI261D-2',
+        "Exempt based on 2° of article 261 D of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261D-3',
+        "Exempt based on 3° of article 261 D of the Code Général des Impôts "
+        "(CGI ; General tax code) "
+        "Exonération de TVA - Article 261 D-3° du Code Général des Impôts"),
+    ('VATEX-FR-CGI261D-4',
+        "Exempt based on 4° of article 261 D of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261E-1',
+        "Exempt based on 1° of article 261 E of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI261E-2',
+        "Exempt based on 2° of article 261 E of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI277A',
+        "Exempt based on article 277 A of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-CGI275',
+        " Exempt based on article 275 of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-298SEXDECIESA',
+        " Exempt based on article 298 sexdecies A of the Code Général des "
+        "Impôts (CGI ; General tax code)"),
+    ('VATEX-FR-CGI295',
+        "Exempt based on article 295 of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ('VATEX-FR-AE',
+        " Exempt based on 2 of article 283 of the Code Général des Impôts "
+        "(CGI ; General tax code)"),
+    ]
+
 
 class AccountTemplate(metaclass=PoolMeta):
     __name__ = 'account.account.template'
@@ -45,6 +127,16 @@ class AccountTemplate(metaclass=PoolMeta):
         super().__register__(module_name)
 
 
+class Tax(metaclass=PoolMeta):
+    __name__ = 'account.tax'
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        if hasattr(cls, 'vatex_code'):
+            cls.vatex_code.selection.extend(VATEX_CODES)
+
+
 class CreateChart(metaclass=PoolMeta):
     __name__ = 'account.create_chart'
 
diff --git a/modules/account_fr/tests/test_module.py b/modules/account_fr/tests/test_module.py
index 227a1fc155..f4264d33b1 100644
--- a/modules/account_fr/tests/test_module.py
+++ b/modules/account_fr/tests/test_module.py
@@ -9,6 +9,7 @@ from trytond.tests.test_tryton import ModuleTestCase, with_transaction
 class AccountFRTestCase(ModuleTestCase):
     'Test Account FR module'
     module = 'account_fr'
+    extras = ['account_eu']
 
     @with_transaction()
     def test_create_chart(self):
diff --git a/modules/account_fr/tryton.cfg b/modules/account_fr/tryton.cfg
index 89f3694878..fd3d8e1159 100644
--- a/modules/account_fr/tryton.cfg
+++ b/modules/account_fr/tryton.cfg
@@ -6,6 +6,7 @@ depends:
 extras_depend:
     account_asset
     account_deposit
+    account_eu
     account_invoice
     sale_advance_payment
 xml:
@@ -16,6 +17,7 @@ xml:
 [register]
 model:
     account.AccountTemplate
+    account.Tax
     account.FrFECStart
     account.FrFECResult
 wizard:
diff --git a/modules/edocument_ubl/CHANGELOG b/modules/edocument_ubl/CHANGELOG
index 94f87f4f5c..eafa21c685 100644
--- a/modules/edocument_ubl/CHANGELOG
+++ b/modules/edocument_ubl/CHANGELOG
@@ -1,3 +1,4 @@
+* Use VATEX as tax exemption reason code
 * Add support for Python 3.14
 * Remove support for Python 3.9
 * Fill payment means
diff --git a/modules/edocument_ubl/edocument.py b/modules/edocument_ubl/edocument.py
index dfb11ccef6..221ac19d28 100644
--- a/modules/edocument_ubl/edocument.py
+++ b/modules/edocument_ubl/edocument.py
@@ -194,7 +194,7 @@ class Invoice(Model):
         class Tax(namedtuple(
                     'Tax',
                     ('type', 'rate', 'unece_category_code', 'unece_code',
-                        'legal_notice'))):
+                        'vatex_code', 'legal_notice'))):
             @classmethod
             def from_line(cls, line):
                 return Tax(
@@ -202,6 +202,7 @@ class Invoice(Model):
                     rate=line.tax.rate,
                     unece_category_code=line.tax.unece_category_code,
                     unece_code=line.tax.unece_code,
+                    vatex_code=getattr(line.tax, 'vatex_code', ''),
                     legal_notice=line.legal_notice or '')
         TaxLine = namedtuple('TaxLine', ('base', 'amount', 'tax'))
         for group, lines in groupby(sorted(
@@ -570,8 +571,11 @@ class Invoice(Model):
                         ],
                     ('company', '=', company.id),
                     ])
+            order = []
+            if hasattr(Tax, 'vatex_code'):
+                order.append(('vatex_code', 'ASC NULLS LAST'))
             try:
-                tax, = Tax.search(domain, limit=1)
+                tax, = Tax.search(domain, limit=1, order=order)
             except ValueError:
                 raise InvoiceError(gettext(
                         'edocument_ubl.msg_tax_not_found',
@@ -1135,6 +1139,8 @@ class Invoice(Model):
 
     @classmethod
     def _parse_2_tax_category(cls, tax_category):
+        pool = Pool()
+        Tax = pool.get('account.tax')
         domain = [
             ('parent', '=', None),
             ]
@@ -1148,6 +1154,13 @@ class Invoice(Model):
         if percent:
             domain.append(('type', '=', 'percentage'))
             domain.append(('rate', '=', Decimal(percent) / 100))
+        if (hasattr(Tax, 'vatex_code')
+                and (tax_exemption_reason_code := tax_category.findtext(
+                        './{*}TaxExemptionReasonCode'))):
+            domain.append(['OR',
+                    ('vatex_code', '=', tax_exemption_reason_code),
+                    ('vatex_code', '=', None),
+                    ])
         return domain
 
     @classmethod
diff --git a/modules/edocument_ubl/template/2/base.xml b/modules/edocument_ubl/template/2/base.xml
index f9e59bd646..8363fb6768 100644
--- a/modules/edocument_ubl/template/2/base.xml
+++ b/modules/edocument_ubl/template/2/base.xml
@@ -84,6 +84,7 @@ this repository contains the full copyright notices and license terms. -->
     <py:def function="TaxCategory(tax)">
         <cbc:ID py:if="tax.unece_category_code">${tax.unece_category_code}</cbc:ID>
         <cbc:Percent py:if="tax.type == 'percentage'">${format((tax.rate * 100).normalize(), 'f')}</cbc:Percent>
+        <cbc:TaxExemptionReasonCode py:if="getattr(tax, 'vatex_code', None)">${tax.vatex_code}</cbc:TaxExemptionReasonCode>
         <cbc:TaxExemptionReason py:if="tax.legal_notice">${tax.legal_notice}</cbc:TaxExemptionReason>
         <cac:TaxScheme py:if="tax.unece_code">
             <cbc:ID>${tax.unece_code}</cbc:ID>
diff --git a/modules/edocument_uncefact/CHANGELOG b/modules/edocument_uncefact/CHANGELOG
index 370fa6bc42..1b806603e9 100644
--- a/modules/edocument_uncefact/CHANGELOG
+++ b/modules/edocument_uncefact/CHANGELOG
@@ -1,3 +1,4 @@
+* Use VATEX as tax exemption reason code
 * Add support for Python 3.14
 * Remove support for Python 3.9
 * Render payment means
diff --git a/modules/edocument_uncefact/template/16B-CII/CrossIndustryInvoice.xml b/modules/edocument_uncefact/template/16B-CII/CrossIndustryInvoice.xml
index dfcd84996f..0f84f4df05 100644
--- a/modules/edocument_uncefact/template/16B-CII/CrossIndustryInvoice.xml
+++ b/modules/edocument_uncefact/template/16B-CII/CrossIndustryInvoice.xml
@@ -45,6 +45,7 @@ this repository contains the full copyright notices and license terms. -->
         <ram:ApplicableTradeTax>
             <ram:CalculatedAmount py:if="amount" py:attrs="{'currencyID': this.invoice.currency.code}">${amount * this.type_sign}</ram:CalculatedAmount>
             <ram:TypeCode py:if="tax.unece_code">${tax.unece_code}</ram:TypeCode>
+            <ram:ExemptionReasonCode py:if="getattr(tax, 'vatex_code', None)">${tax.vatex_code}</ram:ExemptionReasonCode>
             <ram:ExemptionReason py:if="tax.legal_notice">${tax.legal_notice}</ram:ExemptionReason>
             <ram:BasisAmount py:if="base">${base * this.type_sign}</ram:BasisAmount>
             <ram:CategoryCode py:if="tax.unece_category_code">${tax.unece_category_code}</ram:CategoryCode>