The three-tier tanker oil-pollution liability regime — Civil Liability Convention 1992 (shipowner strict liability) + IOPC Fund 1992 (industry-funded second tier) + Supplementary Fund 2003 (third tier for catastrophic spills) — is the single most-litigated maritime liability regime + the model for HNS + Bunker Convention. This page covers the mechanics: who pays, how much, when the fund pays, blue cards, direct action, and the notable incidents (Erika, Prestige, Hebei Spirit) that shaped it.
| Tier | Instrument | Payer | Ceiling |
|---|---|---|---|
| 1 | CLC 1992 | Shipowner (via P&I club) | Up to 89.77M SDR (tonnage-scaled) |
| 2 | IOPC Fund 1992 Protocol | Fund (oil-receivers >150k t/y) | Up to 203M SDR TOTAL (incl. tier 1) |
| 3 | Supplementary Fund 2003 | Supplementary Fund members only | Up to 750M SDR TOTAL (~$960M USD) |
CLC 1992 shipowner liability is capped based on ship tonnage: 4.51M SDR for ships <= 5,000 GT; 4.51M SDR + 631 SDR per additional GT above 5,000, capped at 89.77M SDR (~$115M USD at current SDR rates). The 2000 Protocol raised limits ~50%. Compensation above that flows from the IOPC Fund 1992 (up to 203M SDR total incl. shipowner) and Supplementary Fund (up to 750M SDR total).
CLC 1992 covers persistent oil cargo (crude, heavy fuel oil carried as cargo) on tankers only. Bunker Convention 2001 covers bunker fuel (fuel used by the ship itself) on all ship types. CLC + Fund provide compensation for oil-cargo spills; Bunker Convention covers bunker spills. A tanker in ballast + spilling only bunker fuel triggers Bunker Convention, not CLC.
Blue card is the insurance certificate evidencing CLC 1992 financial security (or Bunker Convention certificate for bunkers) — issued by the P&I club, retained by the flag state. Copy must be onboard. If the shipowner cannot show a valid blue card the vessel is refused port entry in any CLC-ratifying state. Master ensures the blue card is current at every port call + notifies P&I club immediately if a pollution incident is even suspected.
Erika 1999 (Brittany, ~20,000 tonnes heavy fuel oil) + Prestige 2002 (Spain, ~63,000 tonnes) both produced damages exceeding CLC + IOPC Fund 1992 limits (then ~135M SDR). The 2003 Supplementary Fund Protocol added a third tier — CLC (shipowner) + IOPC Fund + Supplementary Fund = 750M SDR total (~$960M USD). Erika + Prestige claimants were compensated at reduced rates; the Supplementary Fund closes that gap for future incidents.
HNS Convention 2010 Protocol — Hazardous + Noxious Substances — is the parallel regime for chemical cargo pollution. NOT YET IN FORCE globally (requires 12 ratifications including specified minimum HNS-receiving tonnage). Interim: national law + P&I coverage. Once in force it will provide CLC-analogous three-tier compensation up to 250M SDR for HNS pollution.
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