National Minimum Wage Act 1998 and National Minimum Wage Regulations 2015: Key legislation governing payment of interns. Determines whether the internship must be paid and ensures compliance with minimum wage requirements if the intern qualifies as a 'worker'.

Working Time Regulations 1998: Regulates maximum weekly working hours, mandatory rest breaks and rest periods, and holiday entitlement for interns who qualify as workers.

Equality Act 2010: Ensures prevention of discrimination, requires reasonable accommodations for disabled interns, and mandates equal treatment provisions in the workplace.

Health and Safety at Work Act 1974: Outlines employer's duty of care, safety requirements, and insurance considerations for protecting interns in the workplace.

Data Protection Act 2018 and UK GDPR: Governs the handling of personal information, privacy notices, and data protection rights for interns.

Immigration Rules: Covers right to work checks and visa requirements for international interns working in the UK.

Employment Rights Act 1996: Applicable if intern qualifies as a worker, covering basic employment rights, notice periods, and grievance procedures.