Accurate address information is essential for smooth and reliable order fulfillment. One of the most common causes of shipping issues—especially for domestic and international deliveries—is a missing province or state. When this critical detail is omitted, shipments may be delayed, misrouted, or rejected by carriers altogether. Missing Province/State Validation helps prevent these problems by ensuring customers complete this required field before placing an order.
Why Province and State Information Matters
Shipping carriers rely on province or state data to correctly route packages, calculate taxes, and determine service availability. An address that includes a street and city but lacks a province or state is often considered incomplete and may result in:
Delivery delays or failed shipments
Returned packages
Higher operational and carrier-related costs
By validating this information at checkout, businesses can stop errors before they turn into costly shipping issues.
How Missing Province/State Validation Works
When enabled, the Missing Province/State rule automatically checks the checkout address for a valid province or state code. If the field is empty, customers are prompted to correct the issue before they can proceed with checkout.
The validation ensures that province or state codes follow standardized formats, helping maintain consistency and compatibility with carrier and logistics systems worldwide.

Key Features
Conditional Rule Execution
The rule can be configured to trigger specifically when the province or state field is empty. This targeted validation ensures accuracy without interrupting valid checkouts.
Inline Error Messaging
Error messages can be displayed top of the Checkout page or directly below the province/state input field. This makes it immediately clear what information is missing and where it needs to be fixed, reducing confusion and checkout friction.
Custom Error Messaging
Businesses can tailor the error message to match their brand voice. For example:
“Please select a valid province.”
Clear, concise messaging helps customers resolve issues quickly and continue their purchase.

Conclusion
Requiring a province or state at checkout may seem like a small detail, but it plays a major role in shipping accuracy and operational efficiency. By enabling Missing Province/State Validation, businesses can reduce delivery failures, lower support costs, and provide a smoother, more reliable checkout experience. It’s a simple, proactive safeguard that helps ensure every order is ready for successful delivery.
Should you have any further questions, please feel free to drop an email to support@valider.app
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article