Invoice Gap Finder
Detect missing invoice numbers and ensure complete sequential compliance.
Overview
GCC tax authorities require sequential invoice numbering—gaps can trigger audit scrutiny. This tool analyzes your invoice register and identifies any missing numbers in your sequence. Whether you're using simple numeric sequences (001, 002, 003) or complex formats (INV-2024-001), we detect what's missing.
Key Benefits
- Detects gaps in any invoice numbering format
- Identifies exact missing invoice numbers
- Handles complex formats (prefixes, dates, suffixes)
- Shows gap location for quick investigation
- Prevents audit issues from sequential gaps
How It Works
Upload your invoice list (CSV or Excel)
System auto-detects numbering format
Review list of missing invoice numbers
Investigate and document gaps before audit
Frequently Asked Questions
What invoice formats are supported?
Numeric (001), prefixed (INV-001), dated (INV-2024-001), and most custom formats.
What if gaps are legitimate (voided invoices)?
Document voided invoices separately. The tool identifies gaps; you explain the legitimate ones.
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