diff --git a/locale/es.po b/locale/es.po
new file mode 100644
index 0000000..cc42596
--- /dev/null
+++ b/locale/es.po
@@ -0,0 +1,515 @@
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: ncf_manager 8.0\n"
+"PO-Revision-Date: 2026-07-23 00:00-0400\n"
+"Last-Translator: Automatically generated\n"
+"Language-Team: Spanish\n"
+"Language: es\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+msgctxt "field:account.configuration.default_ncf_type,default_customer_ncf_type:"
+msgid "Default Customer NCF Type"
+msgstr "Tipo NCF predeterminado de cliente"
+
+msgctxt "field:account.configuration.default_ncf_type,default_supplier_ncf_type:"
+msgid "Default Supplier NCF Type"
+msgstr "Tipo NCF predeterminado de proveedor"
+
+msgctxt "field:account.invoice,expense_type:"
+msgid "Expense Type"
+msgstr "Tipo de gasto"
+
+msgctxt "field:account.invoice,expense_type_string:"
+msgid "expense_type"
+msgstr "expense_type"
+
+msgctxt "field:account.invoice,expiration_date:"
+msgid "Expiration Date"
+msgstr "Fecha de vencimiento"
+
+msgctxt "field:account.invoice,id_type:"
+msgid "ID Type"
+msgstr "Tipo de identificación"
+
+msgctxt "field:account.invoice,isr_withholding_type:"
+msgid "ISR Withholding Type"
+msgstr "Tipo de retención ISR"
+
+msgctxt "field:account.invoice,isr_withholding_type_string:"
+msgid "isr_withholding_type"
+msgstr "isr_withholding_type"
+
+msgctxt "field:account.invoice,ncf_cancellation_reason:"
+msgid "NCF Cancellation Reason"
+msgstr "Motivo de cancelación NCF"
+
+msgctxt "field:account.invoice,ncf_cancellation_type:"
+msgid "NCF Cancellation Type"
+msgstr "Tipo de cancelación NCF"
+
+msgctxt "field:account.invoice,ncf_cancellation_type_string:"
+msgid "ncf_cancellation_type"
+msgstr "ncf_cancellation_type"
+
+msgctxt "field:account.invoice,ncf_number:"
+msgid "NCF Number"
+msgstr "Número NCF"
+
+msgctxt "field:account.invoice,ncf_number_modified:"
+msgid "NCF Modified"
+msgstr "NCF modificado"
+
+msgctxt "field:account.invoice,ncf_sequence:"
+msgid "Tipo NCF"
+msgstr "Tipo NCF"
+
+msgctxt "field:account.invoice,ncf_type:"
+msgid "NCF Type"
+msgstr "Tipo NCF"
+
+msgctxt "field:account.invoice,ncf_type_code:"
+msgid "NCF Type Code"
+msgstr "Código de tipo NCF"
+
+msgctxt "field:account.invoice,payment_method:"
+msgid "Method of Payment"
+msgstr "Forma de pago"
+
+msgctxt "field:account.invoice,payment_method_string:"
+msgid "payment_method"
+msgstr "payment_method"
+
+msgctxt "field:account.invoice,revenue_type:"
+msgid "Revenue Type"
+msgstr "Tipo de ingreso"
+
+msgctxt "field:account.invoice,revenue_type_string:"
+msgid "revenue_type"
+msgstr "revenue_type"
+
+msgctxt "field:account.invoice,security_code:"
+msgid "Security Code"
+msgstr "Código de seguridad"
+
+msgctxt "field:ir.sequence,approved_qty:"
+msgid "Approved Quantity"
+msgstr "Cantidad aprobada"
+
+msgctxt "field:ir.sequence,expiration_date:"
+msgid "Expiration Date"
+msgstr "Fecha de vencimiento"
+
+msgctxt "field:ir.sequence,from_number:"
+msgid "From Number"
+msgstr "Número inicial"
+
+msgctxt "field:ir.sequence,remaining_qty:"
+msgid "Remaining Quantity"
+msgstr "Cantidad restante"
+
+msgctxt "field:ir.sequence,until_number:"
+msgid "Until Number"
+msgstr "Número final"
+
+msgctxt "field:ncf.manager,app_date:"
+msgid "Application Date"
+msgstr "Fecha de solicitud"
+
+msgctxt "field:ncf.manager,app_number:"
+msgid "Application Number"
+msgstr "Número de solicitud"
+
+msgctxt "field:ncf.manager,auth_number:"
+msgid "Authorization Number"
+msgstr "Número de autorización"
+
+msgctxt "field:ncf.manager,company:"
+msgid "Company"
+msgstr "Empresa"
+
+msgctxt "field:ncf.manager,ncf_sequences:"
+msgid "pos"
+msgstr "pos"
+
+msgctxt "field:ncf.manager,state:"
+msgid "State"
+msgstr "Estado"
+
+msgctxt "field:ncf.manager,state_string:"
+msgid "state"
+msgstr "state"
+
+msgctxt "field:ncf.manager.sequence,invoice_type:"
+msgid "Invoice Type"
+msgstr "Tipo de factura"
+
+msgctxt "field:ncf.manager.sequence,ncf_sequences:"
+msgid "NCF Sequences"
+msgstr "Secuencias NCF"
+
+msgctxt "field:ncf.manager.sequence,ncf_type:"
+msgid "NCF Type"
+msgstr "Tipo NCF"
+
+msgctxt "field:ncf.manager.sequence,ncf_type_string:"
+msgid "ncf_type"
+msgstr "ncf_type"
+
+msgctxt "field:ncf.manager.sequence,pos:"
+msgid "Point of Sale"
+msgstr "Punto de venta"
+
+msgctxt "field:ncf.manager.sequence,state:"
+msgid "State"
+msgstr "Estado"
+
+msgctxt "field:ncf.manager.sequence,state_string:"
+msgid "state"
+msgstr "state"
+
+msgctxt "field:party.party.ncf_type,party:"
+msgid "Party"
+msgstr "Tercero"
+
+msgctxt "field:res.user,digital_signature:"
+msgid "Digital Signature"
+msgstr "Firma digital"
+
+msgctxt "field:res.user,z_digital_signature:"
+msgid "Digital Signature"
+msgstr "Firma digital"
+
+msgctxt "model:account.configuration,string:"
+msgid "Account Configuration"
+msgstr "Configuración contable"
+
+msgctxt "model:account.configuration.default_ncf_type,string:"
+msgid "Account Configuration Default NCF Type"
+msgstr "Tipo NCF predeterminado de configuración contable"
+
+msgctxt "model:ir.action,name:account_invoice.report_invoice"
+msgid "Invoice"
+msgstr "Factura"
+
+msgctxt "model:ir.action,name:act_ncf_manager"
+msgid "NCF Manager"
+msgstr "Gestor de NCF"
+
+msgctxt "model:ir.message,text:msg_amount_credit_note_negative"
+msgid "The Total Amount of the Credit Note must be Negative."
+msgstr "El importe total de la nota de crédito debe ser negativo."
+
+msgctxt "model:ir.message,text:msg_amount_invoice_no_negative"
+msgid "The Total Amount of the Invoice not must be Negative."
+msgstr "El importe total de la factura no debe ser negativo."
+
+msgctxt "model:ir.message,text:msg_duplicated_ncf_number_invoice"
+msgid "You are adding an invoice with an already registered NCF."
+msgstr "Está agregando una factura con un NCF ya registrado."
+
+msgctxt "model:ir.message,text:msg_inactive_ncf_manager"
+msgid "The NCF Manager (point of sale) for invoice \"%(invoice)s\" is inactive."
+msgstr "El gestor NCF (punto de venta) de la factura \"%(invoice)s\" está inactivo."
+
+msgctxt "model:ir.message,text:msg_inactive_ncf_sequence"
+msgid "The NCF sequence selected for invoice \"%(invoice)s\" is inactive."
+msgstr "La secuencia NCF seleccionada para la factura \"%(invoice)s\" está inactiva."
+
+msgctxt "model:ir.message,text:msg_incorrect_lenght_ncf_number_greater_11_under_13"
+msgid "You have added the NCF an incorrect characters length greater 11 and under 13."
+msgstr "El NCF indicado tiene una longitud incorrecta mayor que 11 y menor que 13 caracteres."
+
+msgctxt "model:ir.message,text:msg_incorrect_lenght_ncf_number_greater_13_under_19"
+msgid "You have added the NCF an incorrect characters length greater 13 and under 19."
+msgstr "El NCF indicado tiene una longitud incorrecta mayor que 13 y menor que 19 caracteres."
+
+msgctxt "model:ir.message,text:msg_incorrect_lenght_ncf_number_modified"
+msgid "You have added an incorrect characters length the modified NCF."
+msgstr "El NCF modificado indicado tiene una longitud incorrecta."
+
+msgctxt "model:ir.message,text:msg_incorrect_lenght_ncf_number_under_11"
+msgid "You have added the NCF an incorrect characters length under 11."
+msgstr "El NCF indicado tiene una longitud incorrecta menor que 11 caracteres."
+
+msgctxt "model:ir.message,text:msg_invalid_encf_number"
+msgid "NCF: \"%(number)s\" is not correct or does not correspond to this RNC."
+msgstr "El NCF \"%(number)s\" no es correcto o no corresponde a este RNC."
+
+msgctxt "model:ir.message,text:msg_invalid_ncf_number"
+msgid "NCF: \"%(number)s\" is not correct or does not correspond to this RNC."
+msgstr "El NCF \"%(number)s\" no es correcto o no corresponde a este RNC."
+
+msgctxt "model:ir.message,text:msg_invalid_ncf_sequence_invoice_type"
+msgid "The NCF sequence invoice type does not match invoice \"%(invoice)s\"."
+msgstr "El tipo de factura de la secuencia NCF no coincide con la factura \"%(invoice)s\"."
+
+msgctxt "model:ir.message,text:msg_invalid_ncf_sequence_type"
+msgid "The NCF type on the sequence does not match the NCF type selected on invoice \"%(invoice)s\"."
+msgstr "El tipo NCF de la secuencia no coincide con el tipo NCF seleccionado en la factura \"%(invoice)s\"."
+
+msgctxt "model:ir.message,text:msg_missing_credit_note_sequence"
+msgid "No active credit note sequence available for type \"%(ncf_type)s\" in company \"%(company)s\"."
+msgstr "No hay secuencia activa de nota de crédito para el tipo \"%(ncf_type)s\" en la empresa \"%(company)s\"."
+
+msgctxt "model:ir.message,text:msg_missing_debit_note_sequence"
+msgid "No active debit note sequence available for type \"%(ncf_type)s\" in company \"%(company)s\"."
+msgstr "No hay secuencia activa de nota de débito para el tipo \"%(ncf_type)s\" en la empresa \"%(company)s\"."
+
+msgctxt "model:ir.message,text:msg_missing_ncf_cancellation_reason"
+msgid "You must enter a DGII cancellation reason before cancelling fiscal invoice \"%(invoice)s\"."
+msgstr "Debe indicar un motivo de cancelación DGII antes de cancelar la factura fiscal \"%(invoice)s\"."
+
+msgctxt "model:ir.message,text:msg_missing_ncf_cancellation_type"
+msgid "You must select a DGII cancellation type before cancelling fiscal invoice \"%(invoice)s\"."
+msgstr "Debe seleccionar un tipo de cancelación DGII antes de cancelar la factura fiscal \"%(invoice)s\"."
+
+msgctxt "model:ir.message,text:msg_missing_ncf_sequence"
+msgid "No active NCF sequence available for invoice \"%(invoice)s\"."
+msgstr "No hay secuencia NCF activa disponible para la factura \"%(invoice)s\"."
+
+msgctxt "model:ir.message,text:msg_missing_strict_sequence"
+msgid "No strict sequence configured in the selected NCF sequence for invoice \"%(invoice)s\"."
+msgstr "No hay secuencia estricta configurada en la secuencia NCF seleccionada para la factura \"%(invoice)s\"."
+
+msgctxt "model:ir.message,text:msg_ncf_running_out"
+msgid "There are only \\\"%(remaining_ncf)s\\\" vouchers for this sequence."
+msgstr "There are only \\\"%(remaining_ncf)s\\\" vouchers for this sequence."
+
+msgctxt "model:ir.message,text:msg_ncf_sequence_expired"
+msgid "This sequence is expired."
+msgstr "Esta secuencia está vencida."
+
+msgctxt "model:ir.message,text:msg_ncf_sequence_finished"
+msgid "The NCF sequence is exhausted. No more numbers are available."
+msgstr "La secuencia NCF está agotada. No hay más números disponibles."
+
+msgctxt "model:ir.message,text:msg_no_expense_type"
+msgid "No Expense Type Selected."
+msgstr "No se seleccionó tipo de gasto."
+
+msgctxt "model:ir.message,text:msg_no_expiration_date"
+msgid "No have added NCF Expiration Date."
+msgstr "No se ha indicado fecha de vencimiento del NCF."
+
+msgctxt "model:ir.message,text:msg_no_isr_withholding_type"
+msgid "No ISR Withholding Type Selected."
+msgstr "No se seleccionó tipo de retención ISR."
+
+msgctxt "model:ir.message,text:msg_no_method_payment"
+msgid "No Method Payment Selected."
+msgstr "No se seleccionó forma de pago."
+
+msgctxt "model:ir.message,text:msg_no_ncf_number"
+msgid "You have not added the NCF Number."
+msgstr "No ha indicado el número NCF."
+
+msgctxt "model:ir.message,text:msg_no_ncf_number_modified"
+msgid "You have not added the modified NCF."
+msgstr "No ha indicado el NCF modificado."
+
+msgctxt "model:ir.message,text:msg_no_ncf_type"
+msgid "No NCF Type Selected."
+msgstr "No se seleccionó tipo NCF."
+
+msgctxt "model:ir.message,text:msg_no_payment_term"
+msgid "No Payment Term Selected."
+msgstr "No se seleccionó término de pago."
+
+msgctxt "model:ir.message,text:msg_no_revenue_type"
+msgid "No Revenue Type Selected."
+msgstr "No se seleccionó tipo de ingreso."
+
+msgctxt "model:ir.message,text:msg_no_security_code"
+msgid "You have not added the security code."
+msgstr "No ha indicado el código de seguridad."
+
+msgctxt "model:ir.message,text:msg_not_ncf_available"
+msgid "There are no more vouchers available for this sequence."
+msgstr "No hay más comprobantes disponibles para esta secuencia."
+
+msgctxt "model:ir.message,text:msg_partial_credit_note_refund_not_allowed"
+msgid "Partial credit note refund is not allowed."
+msgstr "No se permite devolución parcial de nota de crédito."
+
+msgctxt "model:ir.sequence.strict,string:"
+msgid "Sequence Strict"
+msgstr "Secuencia estricta"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_credit_note_04"
+msgid "Nota de Crédito"
+msgstr "Nota de Crédito"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_credit_note_34"
+msgid "Nota de Crédito Electrónica"
+msgstr "Nota de Crédito Electrónica"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_01"
+msgid "Factura de Crédito Fiscal"
+msgstr "Factura de Crédito Fiscal"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_02"
+msgid "Factura de Consumo"
+msgstr "Factura de Consumo"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_03"
+msgid "Nota de Débito"
+msgstr "Nota de Débito"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_11"
+msgid "Comprobante de Compras"
+msgstr "Comprobante de Compras"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_12"
+msgid "Registro Único de Ingreso"
+msgstr "Registro Único de Ingreso"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_13"
+msgid "Comprobante para Gasto Menor"
+msgstr "Comprobante para Gasto Menor"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_14"
+msgid "Comprobante de Regímen Especial"
+msgstr "Comprobante de Regímen Especial"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_15"
+msgid "Comprobante Gubernamental"
+msgstr "Comprobante Gubernamental"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_16"
+msgid "Comprobante para exportaciones"
+msgstr "Comprobante para exportaciones"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_17"
+msgid "Comprobante para Pagos al Exterior"
+msgstr "Comprobante para Pagos al Exterior"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_31"
+msgid "Factura de Crédito Fiscal Electrónica"
+msgstr "Factura de Crédito Fiscal Electrónica"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_32"
+msgid "Factura de Consumo Electrónica"
+msgstr "Factura de Consumo Electrónica"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_33"
+msgid "Nota de Débito Electrónica"
+msgstr "Nota de Débito Electrónica"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_41"
+msgid "Compras Electrónico"
+msgstr "Compras Electrónico"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_43"
+msgid "Gastos Menores Electrónico"
+msgstr "Gastos Menores Electrónico"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_44"
+msgid "Regímenes Especiales Electrónico"
+msgstr "Regímenes Especiales Electrónico"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_45"
+msgid "Gubernamental Electrónico"
+msgstr "Gubernamental Electrónico"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_46"
+msgid "Exportación Electrónico"
+msgstr "Exportación Electrónico"
+
+msgctxt "model:ir.sequence.type,name:sequence_type_out_invoice_47"
+msgid "Pagos al Exterior Electrónico"
+msgstr "Pagos al Exterior Electrónico"
+
+msgctxt "model:ir.ui.menu,name:main_menu_ncf_manager"
+msgid "NCF Manager"
+msgstr "Gestor de NCF"
+
+msgctxt "model:ir.ui.menu,name:menu_ncf_manager"
+msgid "NCF Manager"
+msgstr "Gestor de NCF"
+
+msgctxt "model:ir.ui.view,name:configuration_view_form"
+msgid "configuration_form"
+msgstr "configuration_form"
+
+msgctxt "model:ir.ui.view,name:invoice_view_form"
+msgid "invoice_form"
+msgstr "invoice_form"
+
+msgctxt "model:ir.ui.view,name:invoice_view_tree"
+msgid "invoice_tree"
+msgstr "invoice_tree"
+
+msgctxt "model:ir.ui.view,name:ncf_manager_sequences_view_form"
+msgid "ncf_manager_sequences_form"
+msgstr "ncf_manager_sequences_form"
+
+msgctxt "model:ir.ui.view,name:ncf_manager_sequences_view_tree"
+msgid "ncf_manager_sequences_tree"
+msgstr "ncf_manager_sequences_tree"
+
+msgctxt "model:ir.ui.view,name:ncf_manager_view_form"
+msgid "ncf_manager_form"
+msgstr "ncf_manager_form"
+
+msgctxt "model:ir.ui.view,name:ncf_manager_view_tree"
+msgid "ncf_manager_tree"
+msgstr "ncf_manager_tree"
+
+msgctxt "model:ir.ui.view,name:party_view_form"
+msgid "party_form"
+msgstr "party_form"
+
+msgctxt "model:ir.ui.view,name:sequence_view_form"
+msgid "sequence_form"
+msgstr "sequence_form"
+
+msgctxt "model:ir.ui.view,name:user_view_form"
+msgid "user_form"
+msgstr "user_form"
+
+msgctxt "model:ncf.manager,string:"
+msgid "NCF Manager"
+msgstr "Gestor de NCF"
+
+msgctxt "model:ncf.manager.sequence,string:"
+msgid "NCF Manager Sequences"
+msgstr "Secuencias del gestor de NCF"
+
+msgctxt "model:party.party.ncf_type,string:"
+msgid "Party Ncf Type"
+msgstr "Tipo NCF de tercero"
+
+msgctxt "selection:ncf.manager,state:active"
+msgid "Active"
+msgstr "Activo"
+
+msgctxt "selection:ncf.manager,state:draft"
+msgid "Draft"
+msgstr "Borrador"
+
+msgctxt "selection:ncf.manager,state:finished"
+msgid "Finished"
+msgstr "Finalizado"
+
+msgctxt "selection:ncf.manager.sequence,invoice_type:invoice_customer"
+msgid "Customer Invoice"
+msgstr "Factura de cliente"
+
+msgctxt "selection:ncf.manager.sequence,invoice_type:invoice_supplier"
+msgid "Supplier Invoice"
+msgstr "Factura de proveedor"
+
+msgctxt "selection:ncf.manager.sequence,state:active"
+msgid "Active"
+msgstr "Activo"
+
+msgctxt "selection:ncf.manager.sequence,state:draft"
+msgid "Draft"
+msgstr "Borrador"
+
+msgctxt "selection:ncf.manager.sequence,state:finished"
+msgid "Finished"
+msgstr "Finalizado"