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E-Invoicing
December 3, 20256 min read

10 Common E-Invoicing Mistakes and How to Avoid Them

Learn about the most common e-invoicing pitfalls that businesses face and practical solutions to ensure smooth, compliant invoicing.

10 Common E-Invoicing Mistakes and How to Avoid Them
H

Hisab Team

Updated 12/3/2025

10 Common E-Invoicing Mistakes and How to Avoid Them

Transitioning to e-invoicing can be challenging. Here are the most common mistakes businesses make and how to avoid them.

Mistake #1: Incomplete Customer Data

The Problem

Sending invoices with missing or incorrect customer information leads to:

  • Rejected invoices
  • Payment delays
  • Compliance issues

The Solution

  • Validate ICE numbers before invoicing
  • Maintain an up-to-date customer database
  • Use auto-fill features from your CRM

Mistake #2: Wrong VAT Rate Application

The Problem

Morocco has multiple VAT rates (20%, 14%, 10%, 7%, 0%). Applying the wrong rate causes:

  • Tax audit issues
  • Customer disputes
  • Financial discrepancies

The Solution

  • Configure products/services with correct VAT rates
  • Use software that automatically applies rates
  • Regularly review rate assignments

Mistake #3: Not Backing Up Invoice Data

The Problem

Data loss can result in:

  • Lost revenue records
  • Compliance violations
  • Inability to prove transactions

The Solution

  • Use cloud-based solutions with automatic backups
  • Export monthly archives
  • Test recovery procedures

Mistake #4: Ignoring Invoice Sequencing

The Problem

Non-sequential or duplicate invoice numbers create:

  • Audit red flags
  • Legal compliance issues
  • Reconciliation nightmares

The Solution

  • Use automated numbering systems
  • Never manually override sequence
  • Implement controls to prevent gaps

Mistake #5: Late Invoice Sending

The Problem

Delayed invoicing leads to:

  • Cash flow problems
  • Customer confusion
  • Missed payment deadlines

The Solution

  • Invoice immediately after service delivery
  • Set up automatic invoice generation
  • Use batch processing for recurring invoices

Mistake #6: Poor Invoice Descriptions

The Problem

Vague descriptions cause:

  • Customer questions and disputes
  • Audit complications
  • Payment delays

The Solution

  • Use clear, detailed line item descriptions
  • Include reference numbers (PO, contract)
  • Specify dates and quantities clearly

Mistake #7: Not Training Staff Properly

The Problem

Untrained staff create:

  • Inconsistent invoicing practices
  • More errors
  • Inefficient processes

The Solution

  • Provide comprehensive training
  • Create standard operating procedures
  • Designate e-invoicing champions

Mistake #8: Failing to Follow Up

The Problem

Not tracking invoices results in:

  • Overdue payments
  • Lost revenue
  • Poor customer relationships

The Solution

  • Implement automatic payment reminders
  • Review aging reports weekly
  • Have clear follow-up procedures

Mistake #9: Not Archiving Properly

The Problem

Poor archiving leads to:

  • 10-year retention requirement failures
  • Inability to retrieve documents
  • Audit penalties

The Solution

  • Use compliant archiving solutions
  • Organize by date and customer
  • Ensure quick retrieval capabilities

Mistake #10: Choosing Non-Compliant Software

The Problem

Using non-certified software means:

  • Rejected invoices by DGI
  • Re-work and delays
  • Potential penalties

The Solution

  • Choose DGI-certified solutions
  • Verify UBL 2.1 support
  • Ensure automatic compliance updates

Prevention Checklist

Before sending any invoice, verify:

  • Customer ICE and details are correct
  • VAT rates are properly applied
  • Invoice number is sequential
  • Descriptions are clear and complete
  • Totals are calculated correctly
  • Digital signature is applied
  • Archive copy is saved
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