Under the Working Time Regulations 1998 (WTR 1998), SI 1998/1833, reg 11(1), an adult worker is entitled to an uninterrupted rest period of not less than 24 hours in each seven-day period during which they work for their employer. As an alternative, the employer may substitute two rest periods of 24 hours, or a single rest period of 48 hours, in each 14-day period. While the Health & Safety Executive is responsible for enforcement of the maximum weekly working limit, night work limits and health assessments for night work, it does not enforce time off, paid annual leave entitlement or rest break entitlements. Instead, workers enforce these rights via a complaint