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.
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