This Practice Note considers the courts’ approach to certain sex equalisation / Barber issues involving mixed retirement ages, non-compliance with the terms of the power of amendment and contractual promises made outside a pension scheme. The cases considered include Trustee Solutions v Dubery (also known as Cripps v Trustee Solutions), Foster Wheeler v Hanley, BESTrustees v Stuart, Capital Cranfield Trustees v Beck, Premier Foods Group Services v RHM Pension Trust, HR Trustees v Wembley, Re Sea Containers (in liquidation), Smith v Avdel Systems, Harland & Wolff Pension Trustees v Aon Consulting Financial Services, Safeway v Newton, and Archer v Travis Perkins.