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Fix Malformed Sale Price Effective Dates

Validate ISO timestamp ranges used for product promotions.

How to diagnose and repair the issue

  1. Find rows with sale_price_effective_date
  2. Confirm each value has a start and end separated by slash
  3. Use valid ISO 8601 date or datetime values with appropriate offsets
  4. Confirm the end follows the start
  5. Check the current promotion schedule on your store
⚠ Before exporting

Valid date syntax does not guarantee correct promotional eligibility.

Check the fix

Keep an untouched copy of your source feed. Run the relevant check again, inspect flagged rows and compare a small sample with your store catalog. Merchant Center may apply additional requirements by country, product category and destination.

For the definitive requirements, review Google's current product data specification and your own Merchant Center diagnostics.