Fix Product Identifier Issues - GTIN, MPN, Brand

16 min min read

Solutions for product identifier errors including GTIN, MPN, and brand requirements. Fix invalid identifiers and exemption requests.

Product Identifier Requirements

Google Shopping identifier rules: Products need GTIN alone OR Brand+MPN combination. GTIN required when manufacturer assigns barcode. Brand+MPN alternative when GTIN unavailable. Custom products can request exemption. All three (GTIN, Brand, MPN) preferred when available.

Key Points

  • GTIN alone sufficient if available
  • Brand + MPN when GTIN unavailable
  • Exemption for custom/handmade products

Fixing Invalid Identifiers

Resolve identifier errors: Validate GTIN format (8/12/13/14 digits), verify GTIN accuracy with validator, check Brand name matches manufacturer, ensure MPN matches product model number, remove spaces from identifiers, use official manufacturer information, never invent fake identifiers.

1

Diagnose the Issue

Identify exact error, affected products, and root cause using diagnostic tools.

2

Apply Solution

Implement the specific fix following validation best practices.

3

Monitor Results

Validate resolution and monitor for 48 hours to ensure lasting fix.

Identifier Exemption Process

Request exemption when applicable: Products are custom or handmade, vintage items without barcodes, products bundles you created, private label products, accessories without GTINs. Submit exemption through GMC settings. Provide documentation of custom nature. May take 3-5 days for approval.

Feature Free Tool Paid Tool
Validate GTIN with online checker ✓ Yes ✓ Yes
Use official manufacturer data ✗ No ✓ Yes
Never create fake identifiers ✓ Limited ✓ Unlimited

Implementation Steps

Follow these steps for successful resolution and prevention of future issues.

💡 Pro Tip

Submit through GMC account settings

⚠️ Common Mistake

Provide documentation of custom nature

✅ Best Practice

Custom/handmade qualify for exemption

Frequently Asked Questions

How do I fix fix product identifier issues?

Solutions for product identifier errors including GTIN, MPN, and brand requirements. Fix invalid identifiers and exemption requests.

How long does it take to resolve?

Most issues resolve within 15-60 minutes once diagnosed. Complex problems may take 2-4 hours. Resolution is typically within 24-48 hours after resubmission.

Will this error recur?

Only if root cause not addressed. Fix the underlying data source or process, not just individual products, to prevent recurrence.

Can I prevent this error?

Yes! Implement automated validation, regular audits, and quality checks in your feed generation process to catch issues before submission.

Where can I get help?

Use Feed Inspect for instant diagnosis, check Google Merchant Center help docs, or explore related solution guides for specific issues.

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