Container Free Time Miscalculation and Tariff Selection Errors
Definition
Each shipping line and port applies unique free time rules: ONE (1 April 2024 tariff): Import demurrage 3 days, detention 8 days; Export demurrage 5 days, detention 8 days. Swire Shipping: GP/HC containers 14 initial free days, reefer 7 days. Calculation rules are further complex: if extended free time is granted (e.g., from 3 to 8 days), charges for days 4-8 are waived, but days 9-10 revert to the extended free time tariff slab (e.g., AUD $100 per day), not the original slab. Manualerror risk: Wrong tariff applied, wrong day count, wrong slab selected, extended free time not properly recorded in billing system.
Key Findings
- Financial Impact: Per-shipment error: AUD $500-$5,000 (e.g., applying standard tariff instead of extended free time, or miscounting 10 days as 15 days). For a mid-sized freight forwarder processing 200 shipments/year with 5% error rate (10 shipments): AUD $5,000-$50,000 annual revenue leakage or customer dispute costs.
- Frequency: Recurring; monthly during high-volume periods
- Root Cause: Manual tariff lookup across multiple carrier sources; lack of centralized tariff database; no automated free day counter; inconsistent tariff notation (e.g., 'Day 1 of discharge' vs. 'Day 1 of availability'); extended free time agreements recorded in email/spreadsheets, not TMS
Why This Matters
The Pitch: Freight forwarders and importers waste AUD $100,000-$500,000+ annually due to tariff selection and free day miscalculation errors. Automation of tariff lookup, free day counting, and charge calculation eliminates decision errors.
Affected Stakeholders
Freight Forwarders, Customs Brokers, Finance/Billing Teams, Import/Export Managers
Deep Analysis (Premium)
Financial Impact
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Current Workarounds
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Methodology & Sources
Data collected via OSINT from regulatory filings, industry audits, and verified case studies.
Evidence Sources:
Related Business Risks
Unbilled Demurrage and Detention Charges
Operational Demurrage and Detention Cost Overruns
ACCC Scrutiny and Dispute Risk on Demurrage/Detention Practices
Verlorene GST und Fuel Tax Credits durch falsche Lieferantenwahl
MARPOL und ISO-Konformitätsverletzungen in Bunker-Lieferketten
Ungültige Bunker-Lieferverträge und fehlende Versicherungsdeckung
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