The concept of ‘waiver’ is a nebulous creature, crossing into the realms of estoppel, repudiation and variation. For the purposes of ss 7(2) and 7(5) of Australia’s International Arbitration Act 1974 (Cth), Australian jurisprudence has distinguished between ‘strong’ and ‘weak’ waiver, as summarised in ACD Tridon v Tridon Australia [2002] NSWSC 896 (‘ACD Tridon’). ‘Strong’ waiver…