Running a pension scheme can be a particularly challenging and onerous task for pension scheme trustees, especially in respect of large schemes consisting of numerous employers and members and a significant fund (or deficit). As a result, pension trustees usually appoint professional advisers for assistance, guidance and advice on matters beyond their expertise or capacity and otherwise as a convenient and prudent means to help administer the scheme. In some cases, trustees are legally required to appoint professional advisers (eg the requirement to appoint an auditor, actuary, fund manager and legal adviser under section 47 of the Pensions Act 1995 (PA 1995)). The professional advisers appointed typically include: • an actuary (particularly for defined benefit schemes) • an auditor • asset custodians • fund managers • investment advisers • documentation specialists • administrators, and • a legal adviser Although such advisers are often highly educated and experienced, and likely to have highly developed systems in place to ensure an efficient and competent service, like all humans they remain prone