Employment Rights Act 1996: Primary legislation governing employment rights, including fair treatment in performance evaluations and protection against unfair dismissal related to performance reviews. Sets out basic employment rights that must be considered in appraisal processes.

Equality Act 2010: Ensures non-discrimination in performance evaluations based on protected characteristics (age, gender, race, disability, etc.). Requires fair evaluation criteria and consideration of reasonable adjustments for disabled employees.

Data Protection Act 2018 and UK GDPR: Regulates the collection, storage, and processing of personal data in performance appraisals. Covers employee privacy rights, data retention requirements, and confidentiality obligations.

Human Rights Act 1998: Ensures fundamental rights are respected during the appraisal process, including right to fair treatment, privacy, and dignity at work.

ACAS Code of Practice: Provides guidance on best practices for performance management, including fair procedures for handling performance issues and clear communication of expectations.

Health and Safety at Work Act 1974: Requires consideration of workplace wellbeing and working conditions that may impact performance in customer service roles.