Swiss and English courts analyse enforceability of multi-tier dispute resolution provision providing for DAB proceedings (FIDIC, clause 20) - ASA Bulletin View Swiss and English courts analyse enforceability of multi-tier dispute resolution provision providing for DAB proceedings (FIDIC, clause 20) by - ASA Bulletin Swiss and English courts analyse enforceability of multi-tier dispute resolution provision providing for DAB proceedings (FIDIC, clause 20) 32 4 ASA Bulletin