(1) In this regulation automatic forced-ventilation environment system means a fully enclosed system that provides ventilation by means of electric fans.(2) A person who keeps pigs in accommodation that uses an automatic forced-ventilation environment system must ensure that (a) the system (i) has a secondary source of power that operates automatically in the event of a failure of the primary source of power; and(ii) has a mechanism that alerts a person to the failure of the primary source of power; and(b) the accommodation is able to be opened up manually to provide sufficient natural ventilation for the pigs.Penalty: In the case of (a) a body corporate, a fine not exceeding 100 penalty units and, in the case of a continuing offence, a further fine not exceeding 20 penalty units for each day during which the offence continues; or(b) a natural person, a fine not exceeding 50 penalty units and, in the case of a continuing offence, a further fine not exceeding 10 penalty units for each day during which the offence continues.