These Regulations specify the circumstances in which self-employed persons will be required to comply with their duty under the Health and Safety at Work etc. Act 1974 (HSWA) conduct their undertakings in such a way as to ensure, so far as reasonably practicable, that they themselves and other persons (not being their employees) who may be affected by their work activities are not exposed to risks to their health and safety. Every self-employed person continues to hold a duty in respect of their employees under the 1974 Act.