ShipStation Shock: Decoding Unexpected Shipping Adjustment Charges
Decoding Those Dreaded ShipStation Adjustment Charges
Hey everyone, it's tough when unexpected charges pop up, especially when they're related to shipping. I was browsing the Shopify Community the other day and saw a thread started by a user, Vacek, titled "Shipstation - MASSIVE Adjustment charges." It really struck a chord, because who *hasn't* been there, staring at a bill that just doesn't seem right?
Vacek, who ships from Canada to the US using UPS through ShipStation, was hit with a whopping $30,580.23 in adjustments. 
They were understandably freaking out, especially since their average shipping label cost was only around $18 CAD. Let's dive into what the community suggested and how you can tackle similar issues.
First Steps: Verify and Investigate
Vedantara jumped in with some great initial advice:
- Verify in ShipStation: Double-check the official ShipStation billing dashboard.
- Contact UPS Directly: Reach out to UPS billing support independently, not just through ShipStation.
- Check for Dimensional Weight or Customs Issues: See if dimensional weight calculations or customs reclassification could be the culprit.
These are solid first steps. Getting independent verification is crucial. It's easy to assume the worst, but sometimes it *is* a system error.
The Harsh Reality: Courier Adjustments Happen
prov1 shared a less optimistic, but very real, perspective: these kinds of adjustments are common with couriers, especially when using third-party platforms like ShipStation or Freightcom. They mentioned that they now meticulously record every shipment's size and weight to fight back against inaccurate charges. It's a pain, but they've found it's the only way to dispute effectively.
prov1 also mentioned that if you don't pay these charges, the courier can suspend your account and send it to collections. Yikes! They also stated that when they asked for proof of the size and weight that they claim, the couriers said it was on them to prove it which they found unfair.
Vacek's Deep Dive: The Plot Thickens
Vacek followed up with more details, and things got even stranger. They stated that Shipstation gave detail, but they were still at a loss. According to them, their weights are 100% accurate, but ShipStation blanket chose EVERY shipment in December and applied a weight to them that is 2x + what any of their actual weights are. They stated that they have no SKU’s that are even close to 907g.
They also mentioned having shipped for over a year without these kinds of charges, besides the occasional small adjustments. The charges included "Entry Prep Fee & Disbursement Fees," which were a complete mystery.

Possible Causes and Solutions: A Synthesis
So, what can we learn from this situation and the community's responses?
- Dimensional Weight is a Killer: Even if your items are light, their size matters. Couriers use dimensional weight (based on volume) if it's greater than the actual weight. Make sure you're accurately measuring and entering dimensions.
- Customs and Duties: If you're shipping internationally, unexpected customs fees and duties can arise. Double-check your harmonization codes and CUSMA (or other trade agreement) compliance.
- Data Accuracy is Paramount: prov1's experience highlights the importance of meticulous record-keeping. Weigh and measure *everything*, and keep those records.
- Question Everything: Don't just accept the charges. Demand detailed explanations and be prepared to dispute inaccuracies.
- Shipping Rule Validation: Vedantara suggested implementing stricter shipping rule validation at checkout, especially for cross-border shipments. This can help catch errors *before* they become costly adjustments.
In Vacek's case, the final word from ShipStation was that the charges were government-mandated duties and taxes. They did offer to split the balance into two installments, which is at least *something*.
It sounds like Vacek was meticulous about their shipping process, and this may have been a system error. But, it is important to know that you can't argue and complain directly with UPS if using 3rd party shipping, because you are using their account. You don’t have an account directly with UPS.
Dealing with shipping adjustments is frustrating, but hopefully, by combining the community's insights, you can better understand, prevent, and dispute these charges. Keep those records accurate, stay vigilant, and don't be afraid to push back!