The Health and Safety at Work etc Act 1974 (HSWA 1974) sets out duties of: • employers, in relation to their employees and those who are not employees, but who may be affected by the employer’s undertaking • self-employed people, in relation to themselves and non-employees who may be affected by their undertaking • people with control of non-domestic premises, in relation to those who are not their employees but who use those premises made available to them as a place of work or as a place where they may use plant or substances provided for their use there An employer has a duty in relation to employees, to ensure, so far as is reasonably practicable, their health, safety and welfare at work. For further information, see Practice Note: Safety and the risk to safety under the Health