diff --git a/addons/l10n_ar/__manifest__.py b/addons/l10n_ar/__manifest__.py
index fdfe00a768b..1349883de6b 100644
--- a/addons/l10n_ar/__manifest__.py
+++ b/addons/l10n_ar/__manifest__.py
@@ -98,7 +98,6 @@ Master Data:
         'views/uom_uom_view.xml',
         'views/account_journal_view.xml',
         'views/l10n_latam_document_type_view.xml',
-        'views/ir_sequence_view.xml',
         'views/report_invoice.xml',
         'report/invoice_report_view.xml',
     ],
diff --git a/addons/l10n_ar/demo/account_supplier_invoice_demo.xml b/addons/l10n_ar/demo/account_supplier_invoice_demo.xml
index 938456a13ab..ffb8c931e3d 100644
--- a/addons/l10n_ar/demo/account_supplier_invoice_demo.xml
+++ b/addons/l10n_ar/demo/account_supplier_invoice_demo.xml
@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo noupdate="True">
 
+    <!-- we add l10n_latam_document_number on on a separete line because we need l10n_latam_document_type_id to be auto assigned so that account.move.name can be computed with the _inverse_l10n_latam_document_number -->
+
     <!-- Invoice from gritti support service, auto fiscal position set VAT Not Applicable -->
     <record id="demo_sup_invoice_1" model="account.move">
-        <field name="name">FA-C 0001-00000008</field>
         <field name="partner_id" ref="res_partner_gritti_agrimensura"/>
         <field name="invoice_user_id" ref="base.user_demo"/>
         <field name="invoice_payment_term_id" ref="account.account_payment_term_end_following_month"/>
@@ -22,7 +23,6 @@
 
     <!-- Invoice from Foreign with vat 21, 27 and 10,5 -->
     <record id="demo_sup_invoice_2" model="account.move">
-        <field name="name">FA-A 0002-00000123</field>
         <field name="partner_id" ref="res_partner_foreign"/>
         <field name="invoice_user_id" ref="base.user_demo"/>
         <field name="invoice_payment_term_id" ref="account.account_payment_term_end_following_month"/>
@@ -38,7 +38,6 @@
 
     <!-- Invoice from Foreign with vat zero and 21 -->
     <record id="demo_sup_invoice_3" model="account.move">
-        <field name="name">FA-A 0003-00000312</field>
         <field name="partner_id" ref="res_partner_foreign"/>
         <field name="invoice_user_id" ref="base.user_demo"/>
         <field name="invoice_payment_term_id" ref="account.account_payment_term_end_following_month"/>
@@ -53,7 +52,6 @@
 
     <!-- Invoice to Foreign with vat exempt and 21 -->
     <record id="demo_sup_invoice_4" model="account.move">
-        <field name="name">FA-A 0001-00000200</field>
         <field name="partner_id" ref="res_partner_foreign"/>
         <field name="invoice_user_id" ref="base.user_demo"/>
         <field name="invoice_payment_term_id" ref="account.account_payment_term_end_following_month"/>
@@ -68,7 +66,6 @@
 
     <!-- Invoice to Foreign with all type of taxes  -->
     <record id="demo_sup_invoice_5" model="account.move">
-        <field name="name">FA-A 0001-00000222</field>
         <field name="partner_id" ref="res_partner_foreign"/>
         <field name="invoice_user_id" ref="base.user_demo"/>
         <field name="invoice_payment_term_id" ref="account.account_payment_term_end_following_month"/>
@@ -87,7 +84,6 @@
 
     <!-- Service Import to Odoo, fiscal position changes tax not correspond -->
     <record id="demo_sup_invoice_6" model="account.move">
-        <field name="name">FA-I 0001-00000333</field>
         <field name="partner_id" ref="res_partner_odoo"/>
         <field name="invoice_user_id" ref="base.user_demo"/>
         <field name="invoice_payment_term_id" ref="account.account_payment_term_end_following_month"/>
@@ -101,7 +97,6 @@
 
     <!-- Similar to last one but with line that have tax not correspond with negative amount -->
     <record id="demo_sup_invoice_7" model="account.move">
-        <field name="name">FA-I 0001-00000334</field>
         <field name="partner_id" ref="res_partner_odoo"/>
         <field name="invoice_user_id" ref="base.user_demo"/>
         <field name="invoice_payment_term_id" ref="account.account_payment_term_end_following_month"/>
@@ -116,7 +111,6 @@
 
     <!-- Import Cleareance -->
     <record id="demo_despacho_1" model="account.move">
-        <field name="name">GA-I 0001-00000605</field>
         <field name="partner_id" ref="l10n_ar.partner_afip"/>
         <field name="invoice_user_id" ref="base.user_demo"/>
         <field name="invoice_payment_term_id" ref="account.account_payment_term_end_following_month"/>
@@ -222,6 +216,31 @@
         <field name="account_id" model="account.move.line" eval="obj().env.ref('product.product_category_all').property_account_income_categ_id.id"/>
     </record>
 
+    <record id="demo_sup_invoice_1" model="account.move">
+        <field name="l10n_latam_document_number">0001-00000008</field>
+    </record>
+    <record id="demo_sup_invoice_2" model="account.move">
+        <field name="l10n_latam_document_number">0002-00000123</field>
+    </record>
+    <record id="demo_sup_invoice_3" model="account.move">
+        <field name="l10n_latam_document_number">0003-00000312</field>
+    </record>
+    <record id="demo_sup_invoice_4" model="account.move">
+        <field name="l10n_latam_document_number">0001-00000200</field>
+    </record>
+    <record id="demo_sup_invoice_5" model="account.move">
+        <field name="l10n_latam_document_number">0001-00000222</field>
+    </record>
+    <record id="demo_sup_invoice_6" model="account.move">
+        <field name="l10n_latam_document_number">0001-00000333</field>
+    </record>
+    <record id="demo_sup_invoice_7" model="account.move">
+        <field name="l10n_latam_document_number">0001-00000334</field>
+    </record>
+    <record id="demo_despacho_1" model="account.move">
+        <field name="l10n_latam_document_number">16052IC04000605L</field>
+    </record>
+
     <function model="account.move" name="_onchange_partner_id" context="{'check_move_validity': False}">
         <value eval="[ref('demo_sup_invoice_1')]"/>
     </function>
diff --git a/addons/l10n_ar/demo/account_supplier_refund_demo.xml b/addons/l10n_ar/demo/account_supplier_refund_demo.xml
index 3866523a65c..631e30bad35 100644
--- a/addons/l10n_ar/demo/account_supplier_refund_demo.xml
+++ b/addons/l10n_ar/demo/account_supplier_refund_demo.xml
@@ -5,6 +5,7 @@
     <record id="demo_sup_refund_invoice_3" model="account.move.reversal">
         <field name="reason">Mercadería defectuosa</field>
         <field name="refund_method">refund</field>
+        <field name="l10n_latam_document_number">0001-01234567</field>
         <field name="move_ids" eval="[(4, ref('demo_sup_invoice_3'), 0)]"/>
     </record>
 
@@ -14,6 +15,7 @@
     <record id="demo_sup_refund_invoice_4" model="account.move.reversal">
         <field name="reason">Venta cancelada</field>
         <field name="refund_method">cancel</field>
+        <field name="l10n_latam_document_number">0001-01234566</field>
         <field name="move_ids" eval="[(4, ref('demo_sup_invoice_4'), 0)]"/>
     </record>
 
diff --git a/addons/l10n_ar/i18n/es.po b/addons/l10n_ar/i18n/es.po
index ceb06420e72..a749028b79e 100644
--- a/addons/l10n_ar/i18n/es.po
+++ b/addons/l10n_ar/i18n/es.po
@@ -4,10 +4,10 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Odoo Server 13.0+e\n"
+"Project-Id-Version: Odoo Server 13.3alpha1+e\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-01-15 13:31+0000\n"
-"PO-Revision-Date: 2020-01-15 13:31+0000\n"
+"POT-Creation-Date: 2020-03-30 18:37+0000\n"
+"PO-Revision-Date: 2020-03-30 18:37+0000\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "MIME-Version: 1.0\n"
@@ -365,6 +365,16 @@ msgstr ""
 msgid "CUIT"
 msgstr ""
 
+#. module: l10n_ar
+#: code:addons/l10n_ar/models/account_move.py:0
+#, python-format
+msgid ""
+"Can not change the POS number, you can only change the first number for "
+"document type that you are creating in odoo"
+msgstr ""
+"No puede cambiar el número de POS, solo puede cambiar el el primer número para"
+"el tipo de document que esta creando en odoo"
+
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/account_journal.py:0
 #, python-format
@@ -440,11 +450,6 @@ msgstr ""
 msgid "Country"
 msgstr "País"
 
-#. module: l10n_ar
-#: model:ir.model.fields,field_description:l10n_ar.field_res_company__l10n_ar_country_code
-msgid "Country Code"
-msgstr "Código País"
-
 #. module: l10n_ar
 #: model:ir.model.fields,field_description:l10n_ar.field_l10n_ar_afip_responsibility_type__create_uid
 msgid "Created by"
@@ -613,7 +618,7 @@ msgstr "Servicio de Guarda"
 #. module: l10n_ar
 #: model:ir.model.fields,field_description:l10n_ar.field_l10n_ar_afip_responsibility_type__id
 msgid "ID"
-msgstr ""
+msgstr "ID (identificación)"
 
 #. module: l10n_ar
 #: model:ir.actions.act_window,name:l10n_ar.action_iibb_purchases_by_state_and_account_pivot
@@ -714,11 +719,6 @@ msgstr "Tipo de Documento Latam"
 msgid "Legal Entity VAT"
 msgstr "CUIT Persona Jurídica"
 
-#. module: l10n_ar
-#: model:ir.model.fields,field_description:l10n_ar.field_ir_sequence__l10n_ar_letter
-msgid "Letter"
-msgstr "Letra"
-
 #. module: l10n_ar
 #: model:ir.model.fields,field_description:l10n_ar.field_l10n_latam_document_type__l10n_ar_letter
 msgid "Letters"
@@ -780,11 +780,6 @@ msgstr "El nombre debe ser único!"
 msgid "Natural Person VAT"
 msgstr "IVA Persona Física"
 
-#. module: l10n_ar
-#: model_terms:ir.ui.view,arch_db:l10n_ar.view_account_journal_form
-msgid "Next Number"
-msgstr "Próximo número"
-
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/res_partner.py:0
 #, python-format
@@ -857,6 +852,11 @@ msgstr "Otros Documentos de Compra"
 msgid "Other VAT"
 msgstr "CUIT Otros"
 
+#. module: l10n_ar
+#: model:ir.model.fields,field_description:l10n_ar.field_account_journal__company_partner
+msgid "Partner"
+msgstr "Empresa"
+
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/account_move.py:0
 #, python-format
@@ -867,8 +867,14 @@ msgstr ""
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/account_journal.py:0
 #, python-format
-msgid "Please define a valid AFIP POS number"
-msgstr "Por favor defina un número de PdV AFIP válido"
+msgid "Please define a valid AFIP POS number (5 digits max)"
+msgstr "Por favor defina un número de PdV AFIP válido (5 números máximo)"
+
+#. module: l10n_ar
+#: code:addons/l10n_ar/models/account_journal.py:0
+#, python-format
+msgid "Please define an AFIP POS number"
+msgstr "Por favor defina un número de PdV AFIP"
 
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/account_journal.py:0
@@ -915,17 +921,10 @@ msgid "Responsibility Types"
 msgstr "Tipos de Responsabilidad"
 
 #. module: l10n_ar
-#: model:ir.model,name:l10n_ar.model_ir_sequence
 #: model:ir.model.fields,field_description:l10n_ar.field_l10n_ar_afip_responsibility_type__sequence
-#: model_terms:ir.ui.view,arch_db:l10n_ar.view_account_journal_form
 msgid "Sequence"
 msgstr "Secuencia"
 
-#. module: l10n_ar
-#: model:ir.model.fields,field_description:l10n_ar.field_account_journal__l10n_ar_sequence_ids
-msgid "Sequences"
-msgstr "Secuencias"
-
 #. module: l10n_ar
 #: model_terms:ir.ui.view,arch_db:l10n_ar.view_move_form
 msgid "Service Date"
@@ -980,15 +979,6 @@ msgstr "Servicio Telefónico (IVA 27)"
 msgid "Template for Fiscal Position"
 msgstr "Plantilla de posición fiscal"
 
-#. module: l10n_ar
-#: model:ir.model.fields,help:l10n_ar.field_res_company__l10n_ar_country_code
-msgid ""
-"The ISO country code in two chars. \n"
-"You can use this field for quick search."
-msgstr ""
-"EL código ISO del país en dos caracteres.\n"
-"Puede utilizar este campo para la búsqueda rápida."
-
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/l10n_latam_document_type.py:0
 #, python-format
@@ -1020,7 +1010,7 @@ msgstr "El dígito de validación no es válido para \"%s\""
 #, python-format
 msgid "There must be one and only one VAT tax per line. Check line \"%s\""
 msgstr ""
-"Debe haver un único y solo un impuestp de IVA por línea. Revise la línea "
+"Debe haber un único y solo un impuestp de IVA por línea. Revise la línea "
 "\"%s\""
 
 #. module: l10n_ar
diff --git a/addons/l10n_ar/i18n/l10n_ar.pot b/addons/l10n_ar/i18n/l10n_ar.pot
index ecfdf56395e..b6a9c8d507f 100644
--- a/addons/l10n_ar/i18n/l10n_ar.pot
+++ b/addons/l10n_ar/i18n/l10n_ar.pot
@@ -4,10 +4,10 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Odoo Server 13.0+e\n"
+"Project-Id-Version: Odoo Server 13.3alpha1+e\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-01-15 13:31+0000\n"
-"PO-Revision-Date: 2020-01-15 13:31+0000\n"
+"POT-Creation-Date: 2020-03-30 18:36+0000\n"
+"PO-Revision-Date: 2020-03-30 18:36+0000\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "MIME-Version: 1.0\n"
@@ -363,6 +363,14 @@ msgstr ""
 msgid "CUIT"
 msgstr ""
 
+#. module: l10n_ar
+#: code:addons/l10n_ar/models/account_move.py:0
+#, python-format
+msgid ""
+"Can not change the POS number, you can only change the first number for "
+"document type that you are creating in odoo"
+msgstr ""
+
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/account_journal.py:0
 #, python-format
@@ -430,11 +438,6 @@ msgstr ""
 msgid "Country"
 msgstr ""
 
-#. module: l10n_ar
-#: model:ir.model.fields,field_description:l10n_ar.field_res_company__l10n_ar_country_code
-msgid "Country Code"
-msgstr ""
-
 #. module: l10n_ar
 #: model:ir.model.fields,field_description:l10n_ar.field_l10n_ar_afip_responsibility_type__create_uid
 msgid "Created by"
@@ -693,11 +696,6 @@ msgstr ""
 msgid "Legal Entity VAT"
 msgstr ""
 
-#. module: l10n_ar
-#: model:ir.model.fields,field_description:l10n_ar.field_ir_sequence__l10n_ar_letter
-msgid "Letter"
-msgstr ""
-
 #. module: l10n_ar
 #: model:ir.model.fields,field_description:l10n_ar.field_l10n_latam_document_type__l10n_ar_letter
 msgid "Letters"
@@ -754,11 +752,6 @@ msgstr ""
 msgid "Natural Person VAT"
 msgstr ""
 
-#. module: l10n_ar
-#: model_terms:ir.ui.view,arch_db:l10n_ar.view_account_journal_form
-msgid "Next Number"
-msgstr ""
-
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/res_partner.py:0
 #, python-format
@@ -829,6 +822,11 @@ msgstr ""
 msgid "Other VAT"
 msgstr ""
 
+#. module: l10n_ar
+#: model:ir.model.fields,field_description:l10n_ar.field_account_journal__company_partner
+msgid "Partner"
+msgstr ""
+
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/account_move.py:0
 #, python-format
@@ -838,7 +836,13 @@ msgstr ""
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/account_journal.py:0
 #, python-format
-msgid "Please define a valid AFIP POS number"
+msgid "Please define a valid AFIP POS number (5 digits max)"
+msgstr ""
+
+#. module: l10n_ar
+#: code:addons/l10n_ar/models/account_journal.py:0
+#, python-format
+msgid "Please define an AFIP POS number"
 msgstr ""
 
 #. module: l10n_ar
@@ -882,17 +886,10 @@ msgid "Responsibility Types"
 msgstr ""
 
 #. module: l10n_ar
-#: model:ir.model,name:l10n_ar.model_ir_sequence
 #: model:ir.model.fields,field_description:l10n_ar.field_l10n_ar_afip_responsibility_type__sequence
-#: model_terms:ir.ui.view,arch_db:l10n_ar.view_account_journal_form
 msgid "Sequence"
 msgstr ""
 
-#. module: l10n_ar
-#: model:ir.model.fields,field_description:l10n_ar.field_account_journal__l10n_ar_sequence_ids
-msgid "Sequences"
-msgstr ""
-
 #. module: l10n_ar
 #: model_terms:ir.ui.view,arch_db:l10n_ar.view_move_form
 msgid "Service Date"
@@ -945,13 +942,6 @@ msgstr ""
 msgid "Template for Fiscal Position"
 msgstr ""
 
-#. module: l10n_ar
-#: model:ir.model.fields,help:l10n_ar.field_res_company__l10n_ar_country_code
-msgid ""
-"The ISO country code in two chars. \n"
-"You can use this field for quick search."
-msgstr ""
-
 #. module: l10n_ar
 #: code:addons/l10n_ar/models/l10n_latam_document_type.py:0
 #, python-format
diff --git a/addons/l10n_ar/models/__init__.py b/addons/l10n_ar/models/__init__.py
index 63afb0d60ea..4f7205335f3 100644
--- a/addons/l10n_ar/models/__init__.py
+++ b/addons/l10n_ar/models/__init__.py
@@ -15,4 +15,3 @@ from . import res_partner_bank
 from . import uom_uom
 from . import account_chart_template
 from . import account_move
-from . import ir_sequence
diff --git a/addons/l10n_ar/models/account_journal.py b/addons/l10n_ar/models/account_journal.py
index 25ffcae5c45..ba901e591fc 100644
--- a/addons/l10n_ar/models/account_journal.py
+++ b/addons/l10n_ar/models/account_journal.py
@@ -17,7 +17,6 @@ class AccountJournal(models.Model):
         'res.partner', 'AFIP POS Address', help='This is the address used for invoice reports of this POS',
         domain="['|', ('id', '=', company_partner), '&', ('id', 'child_of', company_partner), ('type', '!=', 'contact')]"
     )
-    l10n_ar_sequence_ids = fields.One2many('ir.sequence', 'l10n_latam_journal_id', string="Sequences")
     l10n_ar_share_sequences = fields.Boolean(
         'Unified Book', help='Use same sequence for documents with the same letter')
 
@@ -104,23 +103,6 @@ class AccountJournal(models.Model):
         elif self.l10n_ar_afip_pos_system in ['FEERCEL', 'FEEWS', 'FEERCELP']:
             return expo_codes
 
-    @api.model
-    def create(self, values):
-        """ Create Document sequences after create the journal """
-        res = super().create(values)
-        res._l10n_ar_create_document_sequences()
-        return res
-
-    def write(self, values):
-        """ Update Document sequences after update journal """
-        to_check = set(['type', 'l10n_ar_afip_pos_system', 'l10n_ar_afip_pos_number', 'l10n_ar_share_sequences',
-                        'l10n_latam_use_documents'])
-        res = super().write(values)
-        if to_check.intersection(set(values.keys())):
-            for rec in self:
-                rec._l10n_ar_create_document_sequences()
-        return res
-
     @api.constrains('type', 'l10n_ar_afip_pos_system', 'l10n_ar_afip_pos_number', 'l10n_ar_share_sequences',
                     'l10n_latam_use_documents')
     def _check_afip_configurations(self):
@@ -136,35 +118,6 @@ class AccountJournal(models.Model):
                 'You can not change the journal configuration for a journal that already have validate invoices') +
                 ':<br/><br/> - %s' % ('<br/>- '.join(invoices.mapped('display_name'))))
 
-    def _l10n_ar_create_document_sequences(self):
-        """ IF AFIP Configuration change try to review if this can be done and then create / update the document
-        sequences """
-        self.ensure_one()
-        if self.company_id.country_id != self.env.ref('base.ar'):
-            return True
-        if not self.type == 'sale' or not self.l10n_latam_use_documents:
-            return False
-
-        sequences = self.l10n_ar_sequence_ids
-        sequences.unlink()
-
-        # Create Sequences
-        letters = self._get_journal_letter()
-        internal_types = ['invoice', 'debit_note', 'credit_note']
-        domain = [('country_id.code', '=', 'AR'), ('internal_type', 'in', internal_types),
-                  '|', ('l10n_ar_letter', '=', False), ('l10n_ar_letter', 'in', letters)]
-        codes = self._get_journal_codes()
-        if codes:
-            domain.append(('code', 'in', codes))
-        documents = self.env['l10n_latam.document.type'].search(domain)
-        for document in documents:
-            if self.l10n_ar_share_sequences and self.l10n_ar_sequence_ids.filtered(
-               lambda x: x.l10n_ar_letter == document.l10n_ar_letter):
-                continue
-
-            sequences |= self.env['ir.sequence'].create(document._get_document_sequence_vals(self))
-        return sequences
-
     @api.constrains('l10n_ar_afip_pos_number')
     def _check_afip_pos_number(self):
         to_review = self.filtered(
diff --git a/addons/l10n_ar/models/account_move.py b/addons/l10n_ar/models/account_move.py
index 286805a5bed..97bf2a45520 100644
--- a/addons/l10n_ar/models/account_move.py
+++ b/addons/l10n_ar/models/account_move.py
@@ -167,3 +167,43 @@ class AccountMove(models.Model):
                 'l10n_ar_afip_service_end': move.l10n_ar_afip_service_end,
             })
         return super()._reverse_moves(default_values_list=default_values_list, cancel=cancel)
+
+    @api.onchange('l10n_latam_document_type_id', 'l10n_latam_document_number')
+    def _inverse_l10n_latam_document_number(self):
+        super()._inverse_l10n_latam_document_number()
+
+        # Avoid that user change the POS number (x.l10n_latam_document_number), Rhe POS number configure in journal it
+        # will always be used
+        to_review = self.filtered(
+            lambda x: x.journal_id.type == 'sale' and x.l10n_latam_document_type_id and x.l10n_latam_document_number and
+            (x.l10n_latam_manual_document_number or not x.highest_name))
+        for rec in to_review:
+            number = rec.l10n_latam_document_type_id._format_document_number(rec.l10n_latam_document_number)
+            current_pos = int(number.split("-")[0])
+            if current_pos != rec.journal_id.l10n_ar_afip_pos_number:
+                raise UserError(_('Can not change the POS number, you can only change the first number for document'
+                                  ' type that you are creating in odoo'))
+
+    def _get_formatted_sequence(self, number=0):
+        return "%s %05d-%08d" % (self.l10n_latam_document_type_id.doc_code_prefix,
+                                 self.journal_id.l10n_ar_afip_pos_number, number)
+
+    def _get_starting_sequence(self):
+        """ If use documents then will create a new starting sequence using the document type code prefix and the
+        journal document number with a 8 padding number """
+        if self.journal_id.l10n_latam_use_documents and self.env.company.country_id == self.env.ref('base.ar'):
+            if self.l10n_latam_document_type_id:
+                return self._get_formatted_sequence()
+        return super()._get_starting_sequence()
+
+    def _get_last_sequence_domain(self, relaxed=False):
+        where_string, param = super(AccountMove, self)._get_last_sequence_domain(relaxed)
+        if self.company_id.country_id == self.env.ref('base.ar') and self.l10n_latam_use_documents:
+            if not self.journal_id.l10n_ar_share_sequences:
+                where_string += " AND l10n_latam_document_type_id = %(l10n_latam_document_type_id)s"
+                param['l10n_latam_document_type_id'] = self.l10n_latam_document_type_id.id or 0
+            elif self.journal_id.l10n_ar_share_sequences:
+                where_string += " AND l10n_latam_document_type_id in %(l10n_latam_document_type_ids)s"
+                param['l10n_latam_document_type_ids'] = tuple(self.l10n_latam_document_type_id.search(
+                    [('l10n_ar_letter', '=', self.l10n_latam_document_type_id.l10n_ar_letter)]).ids)
+        return where_string, param
diff --git a/addons/l10n_ar/models/ir_sequence.py b/addons/l10n_ar/models/ir_sequence.py
deleted file mode 100644
index af0d34c4809..00000000000
--- a/addons/l10n_ar/models/ir_sequence.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Part of Odoo. See LICENSE file for full copyright and licensing details.
-from odoo import fields, models
-
-
-class IrSequence(models.Model):
-
-    _inherit = 'ir.sequence'
-
-    l10n_ar_letter = fields.Selection(selection='_get_l10n_ar_letters', string='Letter')
-
-    def _get_l10n_ar_letters(self):
-        """ Return the list of values of the selection field. """
-        return self.env['l10n_latam.document.type']._get_l10n_ar_letters()
diff --git a/addons/l10n_ar/models/l10n_latam_document_type.py b/addons/l10n_ar/models/l10n_latam_document_type.py
index 37f695f3de8..581f56d15d5 100644
--- a/addons/l10n_ar/models/l10n_latam_document_type.py
+++ b/addons/l10n_ar/models/l10n_latam_document_type.py
@@ -31,22 +31,6 @@ class L10nLatamDocumentType(models.Model):
             ('X', 'X'),
             ('I', 'I'),  # used for mapping of imports
         ]
-
-    def _get_document_sequence_vals(self, journal):
-        """ Values to create the sequences """
-        values = super()._get_document_sequence_vals(journal)
-        if self.country_id != self.env.ref('base.ar'):
-            return values
-
-        values.update({'padding': 8, 'implementation': 'no_gap', 'prefix': "%05i-" % (journal.l10n_ar_afip_pos_number),
-                       'l10n_latam_journal_id': journal.id})
-        if journal.l10n_ar_share_sequences:
-            values.update({'name': '%s - Letter %s Documents' % (journal.name, self.l10n_ar_letter),
-                           'l10n_ar_letter': self.l10n_ar_letter})
-        else:
-            values.update({'name': '%s - %s' % (journal.name, self.name), 'l10n_latam_document_type_id': self.id})
-        return values
-
     def _filter_taxes_included(self, taxes):
         """ In argentina we include taxes depending on document letter """
         self.ensure_one()
diff --git a/addons/l10n_ar/views/account_journal_view.xml b/addons/l10n_ar/views/account_journal_view.xml
index d40b674bd0f..af6a4fdfbba 100644
--- a/addons/l10n_ar/views/account_journal_view.xml
+++ b/addons/l10n_ar/views/account_journal_view.xml
@@ -6,18 +6,6 @@
         <field name="name">account.journal.form</field>
         <field name="inherit_id" ref="l10n_latam_invoice_document.view_account_journal_form"/>
         <field name="arch" type="xml">
-            <xpath expr="//field[@name='code']/.." position="inside">
-                <field name="l10n_ar_sequence_ids" nolabel="1" colspan="2" attrs="{'invisible': ['|', ('l10n_latam_use_documents', '=', False), ('l10n_latam_country_code', '!=', 'AR')]}">
-                    <tree create="false" delete="false" editable="top" default_order="id">
-                        <field name="name" readonly="True" string="Sequence"/>
-                        <field name="number_next_actual" string="Next Number"/>
-                        <field name="id" invisible="1"/>
-                    </tree>
-                </field>
-            </xpath>
-            <field name="refund_sequence" position="attributes">
-                <attribute name="attrs">{'invisible': ['|', ('type', 'not in', ['sale', 'purchase']), ('l10n_latam_use_documents', '=', True), ('l10n_latam_country_code', '=', 'AR')]}</attribute>
-            </field>
             <field name="l10n_latam_use_documents" position="after">
                 <field name="company_partner" invisible="1"/>
                 <field name="l10n_ar_afip_pos_system" attrs="{'invisible':['|', '|', ('l10n_latam_country_code', '!=', 'AR'), ('l10n_latam_use_documents', '=', False), ('type', '!=', 'sale')], 'required':[('l10n_latam_country_code', '=', 'AR'), ('l10n_latam_use_documents', '=', True), ('type', '=', 'sale')]}"/>
diff --git a/addons/l10n_ar/views/ir_sequence_view.xml b/addons/l10n_ar/views/ir_sequence_view.xml
deleted file mode 100644
index ad2e080bb11..00000000000
--- a/addons/l10n_ar/views/ir_sequence_view.xml
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<odoo>
-
-    <record id="sequence_view" model="ir.ui.view">
-        <field name="name">ir.sequence.form</field>
-        <field name="model">ir.sequence</field>
-        <field name="inherit_id" ref="l10n_latam_invoice_document.sequence_view"/>
-        <field name="arch" type="xml">
-            <field name="l10n_latam_document_type_id" position="after">
-                <field name="l10n_ar_letter"/>
-            </field>
-        </field>
-    </record>
-
-    <record id="sequence_view_tree" model="ir.ui.view">
-        <field name="name">ir.sequence.tree</field>
-        <field name="model">ir.sequence</field>
-        <field name="inherit_id" ref="l10n_latam_invoice_document.sequence_view_tree"/>
-        <field name="arch" type="xml">
-            <field name="l10n_latam_document_type_id" position="after">
-                <field name="l10n_ar_letter"/>
-            </field>
-        </field>
-    </record>
-
-    <record id="view_sequence_search" model="ir.ui.view">
-        <field name="name">ir.sequence.search</field>
-        <field name="model">ir.sequence</field>
-        <field name="inherit_id" ref="l10n_latam_invoice_document.view_sequence_search"/>
-        <field name="arch" type="xml">
-            <field name="l10n_latam_document_type_id" position="after">
-                <field name="l10n_ar_letter"/>
-            </field>
-        </field>
-    </record>
-
-</odoo>