Run a parcel audit every week as invoices arrive. Reconcile the results monthly, then review contract terms quarterly and whenever your carrier or 3PL arrangement changes.
How often should I run a parcel audit?
Use three recurring checks. Each answers a different question: was this shipment billed correctly, did the month reconcile, and do the rates and terms still match the contracts you hold?
| Check | What it's for | What you compare | What it doesn't settle |
|---|---|---|---|
| Weekly review | Catching shipment-level exceptions while records are fresh | Invoice lines against shipment records | Whether the full month reconciles |
| Monthly reconciliation | Finding repeated charges and unresolved exceptions | Invoice totals, credits and fulfillment bills | Whether contract terms still fit your shipping profile |
| Quarterly terms review | Checking the contract and service mix | Rates, accessorial terms and services used | Whether each invoice line is correct |
None is a substitute for the others. If your team can only start one check now, start with the weekly invoice review.
Each check answers a different billing question.
What do I check each week?
Match each invoice line to the shipping record: tracking number, service, billed weight or dimensions, destination, surcharges and credits. Mark each disputed line with its shipment reference and the reason it needs review.
Not every surcharge is an error. The question is whether the charge follows your terms and the shipment record. Carry open items into the monthly reconciliation instead of closing them because someone acknowledged an email.
What do I reconcile each month?
Compare the month's parcel invoices with shipment records, posted credits and the weekly exception list. Close an item only when the corrected charge or credit appears in the billing record. Group repeated exceptions by charge type, so you can tell a one-off adjustment from a term that needs clarifying.
Reconcile fulfillment billing on its own track. Match receiving, storage, pick and pack, minimums and other warehouse charges to the 3PL agreement and the work performed. A correct parcel invoice does not prove the fulfillment bill is right.
What do I review each quarter?
Compare the carrier contract with the services your brand now uses: rate terms, accessorial definitions and billing contacts. Do the same whenever an agreement changes, without waiting for the next scheduled review.
If your shipping profile has changed, document that first. Otherwise you are comparing terms against an operation you no longer run.
When should I audit more often?
Tighten the schedule when any of these change:
- Invoice lines are hard to match to shipments
- Your mix of parcel services changed
- Your SKU or package profile changed
- Carrier contract terms changed
- Your 3PL changed how it presents fulfillment or pass-through charges
- The same unexplained charge keeps coming back
What should I audit after switching 3PLs?
Keep the weekly parcel review, and check the first invoices against the transportation contracts in your brand's name. Then reconcile the new warehouse's receiving, storage, pick and pack and accessorial charges separately.
A switch also changes the records you audit against. Confirm how the new warehouse supplies shipment references, package details and adjustments. If a charge can't be traced from the warehouse record to the carrier charge, fix that handoff before you treat the invoice as reconciled.
FAQ
Is a monthly parcel audit enough?
No. A monthly reconciliation doesn't replace the weekly invoice review. Use it to confirm that shipment-level exceptions were resolved and credits were posted.
Does a parcel audit cover 3PL billing?
No. Audit receiving, storage, pick and pack and warehouse accessorials against the 3PL agreement, separately from carrier charges.
Do I have to give up my parcel rates to change 3PLs?
No. A brand can keep transportation contracts in its own name and choose a 3PL for how well it runs the warehouse.
One last thing
If a charge can't be traced back to a shipment, a service or a warehouse activity, the first fix is the record handoff. Don't let an unclear bill become the reason you stay with the wrong setup.
new3PL keeps your rates in your name, so you can choose a 3PL on execution. Start with four questions.