http://www.legislation.gov.uk/apni/1957/25/section/5Occupiers' Liability Act (Northern Ireland) 1957An Act to amend the law as to the liability of occupiers and others for injury or damage resulting to persons or goods lawfully on any land or other property from dangers due to the state of the property or to things done or omitted to be done there, and for purposes connected therewith.texttext/xmlenStatute Law Database2011-05-262006-01-01 51Where persons enter or use, or bring or send goods to, any premises in exercise of a right conferred by contract with a person occupying or having control of the premises, the duty he owes them in respect of dangers due to the state of the premises or to things done or omitted to be done on them, in so far as the duty depends on a term to be implied in the contract by reason of its conferring that right, shall be the common duty of care.2The foregoing sub-section shall apply to fixed and movable structures as it applies to premises.3This section does not affect the obligations imposed on a person by or by virtue of any contract for the hire of, or for the carriage for reward of persons or goods in, any vehicle, vessel, aircraft or other means of transport, or by or by virtue of any contract of bailment.4This section does not apply to contracts entered into before the commencement of this Act.