Learn how to transform your Cross Industry Invoice format (CII) into professional PDF documents for easy sharing and printing.

Understanding CII Format

CII (Cross Industry Invoice) is a European standard for electronic invoicing that provides a common syntax for invoice data exchange. It's designed to be interoperable across different countries and systems while maintaining compliance with EN 16931.

Key characteristics of CII:

European standard EN 16931 compliant
Pure XML format without visual presentation
Designed for cross-border European transactions
Supports complex business rules and validations
Widely adopted in European e-invoicing
Compatible with various national extensions

CII Structure Example

CII uses the UN/CEFACT syntax. Below is an example of how invoice data is structured in CII format:

xml

<?xml version="1.0" encoding="UTF-8"?>
<rsm:CrossIndustryInvoice xmlns:rsm="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:10" 
                          xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100">
  <rsm:ExchangedDocumentContext>
    <ram:BusinessProcessSpecifiedDocumentContextParameter>
      <ram:ID>urn:fdc:peppol.eu:2017:poacc:billing:01:1.0</ram:ID>
    </ram:BusinessProcessSpecifiedDocumentContextParameter>
    <ram:GuidelineSpecifiedDocumentContextParameter>
      <ram:ID>urn:cen.eu:en16931:2017#compliant#urn:fdc:peppol.eu:2017:poacc:billing:3.0</ram:ID>
    </ram:GuidelineSpecifiedDocumentContextParameter>
  </rsm:ExchangedDocumentContext>
  <rsm:ExchangedDocument>
    <ram:ID>2024-0001</ram:ID>
    <ram:TypeCode>380</ram:TypeCode>
    <ram:IssueDateTime>
      <udt:DateTimeString format="102">20240115</udt:DateTimeString>
    </ram:IssueDateTime>
    <ram:IncludedNote>
      <ram:Content>Invoice note text</ram:Content>
    </ram:IncludedNote>
  </rsm:ExchangedDocument>
  <rsm:SupplyChainTradeTransaction>
    <ram:ApplicableHeaderTradeAgreement>
      <ram:BuyerTradeParty>
        <ram:Name>Customer Company Ltd</ram:Name>
        <ram:PostalTradeAddress>
          <ram:PostcodeCode>12345</ram:PostcodeCode>
          <ram:LineOne>Main Street 456</ram:LineOne>
          <ram:CityName>London</ram:CityName>
          <ram:CountryID>GB</ram:CountryID>
        </ram:PostalTradeAddress>
        <ram:SpecifiedTaxRegistration>
          <ram:ID schemeID="VA">GB123456789</ram:ID>
        </ram:SpecifiedTaxRegistration>
      </ram:BuyerTradeParty>
      <ram:SellerTradeParty>
        <ram:Name>Supplier Company GmbH</ram:Name>
        <ram:PostalTradeAddress>
          <ram:PostcodeCode>10115</ram:PostcodeCode>
          <ram:LineOne>Friedrichstraße 123</ram:LineOne>
          <ram:CityName>Berlin</ram:CityName>
          <ram:CountryID>DE</ram:CountryID>
        </ram:PostalTradeAddress>
        <ram:SpecifiedTaxRegistration>
          <ram:ID schemeID="VA">DE123456789</ram:ID>
        </ram:SpecifiedTaxRegistration>
      </ram:SellerTradeParty>
    </ram:ApplicableHeaderTradeAgreement>
    <ram:ApplicableHeaderTradeDelivery>
      <ram:ActualDeliverySupplyChainEvent>
        <ram:OccurrenceDateTime>
          <udt:DateTimeString format="102">20240115</udt:DateTimeString>
        </ram:OccurrenceDateTime>
      </ram:ActualDeliverySupplyChainEvent>
    </ram:ApplicableHeaderTradeDelivery>
    <ram:ApplicableHeaderTradeSettlement>
      <ram:InvoiceCurrencyCode>EUR</ram:InvoiceCurrencyCode>
      <ram:SpecifiedTradeSettlementPaymentMeans>
        <ram:TypeCode>30</ram:TypeCode>
        <ram:PayeePartyCreditorFinancialAccount>
          <ram:IBANID>DE89370400440532013000</ram:IBANID>
        </ram:PayeePartyCreditorFinancialAccount>
      </ram:SpecifiedTradeSettlementPaymentMeans>
    </ram:ApplicableHeaderTradeSettlement>
    <ram:IncludedSupplyChainTradeLineItem>
      <ram:AssociatedDocumentLineDocument>
        <ram:LineID>1</ram:LineID>
      </ram:AssociatedDocumentLineDocument>
      <ram:SpecifiedTradeProduct>
        <ram:Name>Product description</ram:Name>
        <ram:Description>Detailed product description</ram:Description>
      </ram:SpecifiedTradeProduct>
      <ram:SpecifiedLineTradeAgreement>
        <ram:NetPriceProductApplicableTradeAgreement>
          <ram:ChargeAmount>100.00</ram:ChargeAmount>
        </ram:NetPriceProductApplicableTradeAgreement>
      </ram:SpecifiedLineTradeAgreement>
      <ram:SpecifiedLineTradeDelivery>
        <ram:BilledQuantity unitCode="C62">10</ram:BilledQuantity>
      </ram:SpecifiedLineTradeDelivery>
      <ram:SpecifiedLineTradeSettlement>
        <ram:ApplicableTradeTax>
          <ram:TypeCode>VAT</ram:TypeCode>
          <ram:CategoryCode>S</ram:CategoryCode>
          <ram:RateApplicablePercent>20.00</ram:RateApplicablePercent>
        </ram:ApplicableTradeTax>
        <ram:SpecifiedTradeSettlementLineMonetarySummation>
          <ram:LineTotalAmount>1000.00</ram:LineTotalAmount>
        </ram:SpecifiedTradeSettlementLineMonetarySummation>
      </ram:SpecifiedLineTradeSettlement>
    </ram:IncludedSupplyChainTradeLineItem>
  </rsm:SupplyChainTradeTransaction>
</rsm:CrossIndustryInvoice>

Why Convert CII to PDF?

Converting CII to PDF is useful for:

Easy sharing: Send invoices to customers who prefer PDF format
Printing needs: Create professional printed copies for records
Archiving: Store invoices in widely compatible format
Customer preference: Many businesses still request PDF invoices
Review purposes: Easy visual review before sending

Conversion Process

Converting your CII to PDF involves these simple steps:

Step 1: Upload Your CII File

Simply upload your CII XML file. The system reads all the structured European invoice data and prepares it for PDF conversion.

Step 2: Automatic Layout Generation

Our converter automatically creates a professional PDF layout that includes:

Company header with logo and contact details
Customer and supplier information
Complete invoice line items with descriptions
Tax breakdowns and totals
Payment terms and bank details
European legal requirements and compliance notes

Step 3: Format Optimization

The system ensures your PDF looks professional and meets business standards:

Professional typography and spacing
Clear table layouts for line items
Proper page margins and headers
European address and tax format compliance
Readable fonts and appropriate sizing

Step 4: Quality Check

Before generating the final PDF, the system performs several quality checks:

All data is correctly extracted from XML
Calculations are accurate (totals, taxes, etc.)
Required fields are properly displayed
European formatting requirements are met
PDF is optimized for printing and sharing

Step 5: Download Your PDF

Receive a professionally formatted PDF invoice that's ready to use immediately for printing, emailing, or archiving.

Common Conversion Considerations

Keep these points in mind when converting CII to PDF:

1. Data Accuracy

Ensure your CII file contains complete and accurate information:

All required fields are filled correctly
VAT numbers and tax codes are valid
Customer and supplier details are complete
Invoice amounts and calculations are correct

2. European Requirements

Your PDF should maintain compliance with European business practices:

Include company VAT number and fiscal code
Display European payment terms and conditions
Show proper European address formatting
Include required European legal notices
Use European date formats (DD/MM/YYYY)

3. Professional Presentation

Create PDFs that look professional and are easy to read:

Clear company branding and contact information
Well-organized tables for line items
Consistent formatting throughout the document
Appropriate use of colors and styling
Mobile-friendly layout considerations

Best Practices for PDF Conversion

Follow these guidelines for optimal results:

1. File Preparation

Validate CII file before conversion
Check for any XML validation errors
Ensure all mandatory fields are present
Verify tax calculations and codes

2. Quality Assurance

Review generated PDF for accuracy
Check that all data transferred correctly
Verify professional appearance and layout
Test printing and display functionality

3. Document Management

Organize converted PDFs systematically
Use clear naming conventions for files
Maintain backup copies of important documents
Keep original CII file for reference

Benefits of Professional PDF Conversion

Converting to professional PDF format offers several advantages:

For Business Operations

Universal compatibility with any device or system
Easy integration with existing workflows
Professional appearance for customer communications
Reliable format for long-term archiving

For Customer Relations

Clear, professional invoice presentation
Easy sharing via email or cloud storage
Convenient printing for record-keeping
Improved payment processing with clear terms

Last modified: 2025