A Retrograde Step in Expert Determination? Halifax Life Ltd v Equitable Life Assurance Society - Arbitration: The International Journal of Arbitration, Mediation and Dispute Management View A Retrograde Step in Expert Determination? Halifax Life Ltd v Equitable Life Assurance Society by - Arbitration: The International Journal of Arbitration, Mediation and Dispute Management A Retrograde Step in Expert Determination? Halifax Life Ltd v Equitable Life Assurance Society 73 3 Arbitration: The International Journal of Arbitration, Mediation and Dispute Management