The discontinuation of LIBOR and arbitration: issues of substance and procedure for parties and arbitrators

The global financial markets are currently preparing for the phasing out of the London Inter-bank Offered Rate (or LIBOR) and other Inter-bank Offered Rates (or IBORs). LIBOR is the most widely used benchmark interest rate globally, employed in an estimated US$350 trillion worth of financial contracts worldwide. LIBOR may also be used in commercial contracts – for example, in price adjustment mechanisms in share purchase agreements, price escalation clauses or as a reference rate for contractual interest on late payments. LIBOR may also be specified in arbitration clauses as a benchmark rate for interest on the award.

Many financial instruments affected by the discontinuation of LIBOR will include arbitration clauses. As discussed below, whilst the substantive disputes arising from the end of LIBOR will be the same whether they are resolved in a court or by an arbitral tribunal, there are some additional considerations particular to the arbitration process which are relevant in the context of LIBOR discontinuation disputes. Further, even when determining a dispute which does not arise from the end of LIBOR, arbitral tribunals may have to grapple with how to award interest where an arbitration clause uses LIBOR as a reference point. Read more in the E-bulletin here.

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