Under what condition is a priority mail express customer entitled to a refund?

A priority mail express customer is entitled to a refund if their package is delivered later than the guaranteed delivery date. This service is designed to be a fast and reliable shipping option, often providing next-day delivery or delivery by a certain time. When the service does not meet these guaranteed timeframes, it becomes eligible for a refund as a way to uphold service commitments and maintain customer satisfaction.

In contrast, if a package is lost, that would typically fall under a different category of claims, and a refund may not apply directly to the service's on-time delivery guarantee. Sending a package to the wrong address due to customer error may also not qualify for a refund, as it's the sender's responsibility to ensure the address is correct. Lastly, the weight limit of 70 pounds pertains to shipping regulations and does not directly relate to refund eligibility unless the service was not rendered correctly due to exceeding that weight limit.