Three new posts have been published on the Practical Law Arbitration blog. Vladimir Bertrand and Katherine Jonckheere at Three Crowns LLP examine the new SIAC Investment Arbitration Rules. Philippe Bärtsch and Sebastiano Nessi at Schellenberg Wittmer consider multi-tier arbitration clauses. Andrey Panov at Norton Rose Fulbright discusses the effect of exchange rate fluctuations on the enforcement of awards.