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Overview

Notas de Crédito (Credit Notes) and Notas de Débito (Debit Notes) are adjustment documents used to modify or correct previously issued invoices and receipts. LibreDTE Core supports both domestic and export versions.

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Nota de Crédito (Code 61)

Official Name: Nota de crédito electrónica
Document Code: 61
Enum Constant: CodigoDocumento::NOTA_CREDITO
Interface: NotaCreditoInterface

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When to Use Nota de Crédito

Use a Nota de Crédito when you need to:
  • Reverse or cancel a previously issued invoice or receipt
  • Apply discounts after the original document was issued
  • Correct errors that result in a lower amount owed
  • Process product returns or refunds
  • Reduce the amount on an original document

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Code Example

use libredte\lib\Core\Package\Billing\Component\Document\Enum\CodigoDocumento;
use libredte\lib\Core\Package\Billing\Component\Document\Contract\Document\NotaCreditoInterface;

// Access the document type
$documentType = CodigoDocumento::NOTA_CREDITO;

// Get document code
$codigo = $documentType->getCodigo(); // 61

// Get document name
$nombre = $documentType->getNombre(); // "Nota de crédito electrónica"

// Get short name
$nombreCorto = $documentType->getNombreCorto(); // "Nota de crédito"

// Get alias
$alias = $documentType->getAlias(); // "nota_credito"

// Get interface class
$interface = $documentType->getInterface(); // NotaCreditoInterface::class

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Nota de Débito (Code 56)

Official Name: Nota de débito electrónica
Document Code: 56
Enum Constant: CodigoDocumento::NOTA_DEBITO
Interface: NotaDebitoInterface

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When to Use Nota de Débito

Use a Nota de Débito when you need to:
  • Add charges to a previously issued invoice or receipt
  • Apply late payment fees or interest
  • Correct errors that result in a higher amount owed
  • Add forgotten items or services
  • Increase the amount on an original document

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Code Example

use libredte\lib\Core\Package\Billing\Component\Document\Enum\CodigoDocumento;
use libredte\lib\Core\Package\Billing\Component\Document\Contract\Document\NotaDebitoInterface;

// Access the document type
$documentType = CodigoDocumento::NOTA_DEBITO;

// Get document code
$codigo = $documentType->getCodigo(); // 56

// Get document name
$nombre = $documentType->getNombre(); // "Nota de débito electrónica"

// Get short name
$nombreCorto = $documentType->getNombreCorto(); // "Nota de débito"

// Get alias
$alias = $documentType->getAlias(); // "nota_debito"

// Get interface class
$interface = $documentType->getInterface(); // NotaDebitoInterface::class

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Export Versions

For international transactions, LibreDTE Core also supports export versions of these documents:

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Nota de Crédito Exportación (Code 112)

Official Name: Nota de crédito de exportación electrónica
Document Code: 112
Enum Constant: CodigoDocumento::NOTA_CREDITO_EXPORTACION
Interface: NotaCreditoExportacionInterface
use libredte\lib\Core\Package\Billing\Component\Document\Enum\CodigoDocumento;

$documentType = CodigoDocumento::NOTA_CREDITO_EXPORTACION;
$codigo = $documentType->getCodigo(); // 112

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Nota de Débito Exportación (Code 111)

Official Name: Nota de débito de exportación electrónica
Document Code: 111
Enum Constant: CodigoDocumento::NOTA_DEBITO_EXPORTACION
Interface: NotaDebitoExportacionInterface
use libredte\lib\Core\Package\Billing\Component\Document\Enum\CodigoDocumento;

$documentType = CodigoDocumento::NOTA_DEBITO_EXPORTACION;
$codigo = $documentType->getCodigo(); // 111

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Document Properties

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Nota de Crédito (61)

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codigo
int
required
Document code: 61
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nombre
string
required
Full document name: “Nota de crédito electrónica”
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alias
string
required
Programmatic alias: “nota_credito”

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Nota de Débito (56)

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codigo
int
required
Document code: 56
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nombre
string
required
Full document name: “Nota de débito electrónica”
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alias
string
required
Programmatic alias: “nota_debito”

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Comparison: Credit vs Debit Notes

FeatureNota de Crédito (61)Nota de Débito (56)
PurposeDecrease amount owedIncrease amount owed
Common UseReturns, refunds, discountsAdditional charges, fees
Effect on BalanceCredit to customerDebit to customer
ReferencesOriginal invoice/receiptOriginal invoice/receipt
  • Factura Afecta (33): Original taxable invoice
  • Factura Exenta (34): Original tax-exempt invoice
  • Boleta Afecta (39): Original taxable receipt
  • Boleta Exenta (41): Original tax-exempt receipt
  • Factura Exportación (110): Original export invoice

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Implementation

All note types implement their respective interfaces: 
namespace libredte\lib\Core\Package\Billing\Component\Document\Contract\Document;

interface NotaCreditoInterface extends DocumentInterface
{
    // Credit note specific methods
}

interface NotaDebitoInterface extends DocumentInterface
{
    // Debit note specific methods
}

interface NotaCreditoExportacionInterface extends DocumentInterface
{
    // Export credit note specific methods
}

interface NotaDebitoExportacionInterface extends DocumentInterface
{
    // Export debit note specific methods
}

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