Occupational Pensions Regulatory Authority. OPRA monitors occupational and stakeholder pension schemes. It has a wide range of powers including regulating the way schemes are run and responsibilities and appointment of trustees. Under the 1995 Pensions Act, scheme advisors such as actuaries and accountants have a responsibility to contact OPRA if they are aware of any actions by the employer or trustees which may be in breach of regulations. Occupational Pensions Regulatory Authority - Invicta House, Trafalgar Place, Brighton, East Sussex BN1 4BY. Tel: 01273 627 600. Website: http://www.opra.gov.uk.