Holiday & Peak Season Surcharge Checker
Did your 3PL bill holiday demand fees in February or on commercial shipments? Enter your fulfillment date and carrier to verify compliance against official carrier tariffs. Off-season surcharges are 100% uncontested SLA violations eligible for immediate refund.
1. Enter Order & Surcharge Line Details
Extract these fields from your 3PL monthly billing detail CSV or PDF.
The date the order was fulfilled or handed over to the carrier.
Per-order surcharge amount billed on invoice.
Estimates total financial leakage across your store.
Checking single tracking numbers takes hours.
Off-season peak surcharges are rarely billed on just one order—they are applied across thousands of packages due to warehouse management software configuration inertia. Audit3PL cross-references every single row of your monthly 3PL invoice in 30 seconds.
Pre-Drafted Warehouse Dispute Notification
Formal CPA claim citing contractual calendar boundaries and carrier tariff terms.
Tip: Attach your itemized CSV scan results from Audit3PL to provide incontrovertible mathematical proof with your dispute email.
Official 2025–2026 Carrier Holiday Peak Schedules
Source: Published carrier service tariffs (FedEx Service Guide, UPS Demand Tariff, ShipBob Merchant Master SLA).
| Carrier / 3PL Network | Official Peak Start | Official Peak End | Published Tariff Range | Exempt Services & SLA Terms |
|---|---|---|---|---|
| FedEx Ground / Express | October 27, 2025 | January 18, 2026 | $0.40 – $2.40 / parcel | Commercial Standard Ground without residential delivery is exempt. |
| UPS Ground / Air | October 26, 2025 | January 17, 2026 | $0.45 – $2.50 / parcel | Standard commercial deliveries exempt from demand surcharge. |
| ShipBob Network | October 27, 2025 | January 18, 2026 | $0.40 – $1.50 / order | Strict pass-through. Surcharges billed outside window violate Schedule B. |
| OnTrac / LaserShip | October 26, 2025 | January 17, 2026 | $0.40 – $1.75 / parcel | Regional peak surcharge window strictly enforced. |
| DHL eCommerce | October 26, 2025 | January 17, 2026 | $0.35 – $1.60 / parcel | Applies to lightweight parcel expedite. Off-peak prohibited. |
Why 3PLs Erroneously Bill Off-Season Holiday Fees
Over 80% of peak season overcharges are caused by ERP and WMS configuration latency rather than intentional fraud. Warehouse billing engines (such as ShipBob, ShipHero, Extensiv, or 3PL Central) rely on automated rate multiplier rules that are toggled on in late October and frequently neglected when carrier peak windows close in January.
1. WMS Deactivation Neglect
Warehouse managers fail to disable peak fee surcharge tables on January 19, leaving automated surcharges running across February, March, and April billing runs.
2. Blanket Service Mapping
Applying blanket peak surcharges across all parcel lines, erroneously levying fees against commercial ground shipments that carriers never assessed.
3. Obscure Line Nomenclature
Masking seasonal surcharges under generic descriptions like "Carrier Network Surcharge", "Operational Capacity Fee", or "Demand Adjustment" in summer invoices.
Frequently Asked Questions
What is the difference between Uncontested Variance and Rate Schedule Creep?
100% Uncontested Variance represents direct contractual breaches—such as duplicate fulfillment fees or peak surcharges billed completely outside the official calendar window. Warehouses have zero contractual defense and must issue immediate credit memos. Rate Schedule Creep involves disputes over contracted baseline pick rates or storage tiers that may require auditing your original rate card schedule.
Can our warehouse claim carrier tariff pass-through as an excuse for off-season fees?
No. Major carriers publish their definitive demand surcharge schedules months in advance. Once the carrier demand window closes (mid-January), the underlying carrier ceases billing peak surcharges. If your 3PL continues billing you, they are retaining 100% of that surcharge as unearned warehouse margin.
What files can I upload to Audit3PL for a full reconciliation?
Audit3PL supports raw CSV exports, Excel workbooks (.xlsx), and PDF invoices from ShipBob, Red Stag, ShipHero, Deliverr/Flexport, and custom 3PL networks. Our deterministic engine checks all line items against 50+ forensic rules in under 30 seconds.