PART II EMPLOYEE NUMBERS AND ENTITLEMENT TO DATA

5 Entitlement to data
1 An employee or an employees' representative may request data from the employer for the purpose of determining the number of people employed by the employer’s undertaking in the United Kingdom.
2 Any request for data made under paragraph (1) must be in writing and be dated.
3 The employer must provide the employee or the employees' representative who made the request with data to enable him to –
(a) make the calculation of the numbers of employees referred to in regulation 4; and
(b) determine, for the purpose of regulation 7(2), what number of employees constitutes 10% of the employees in the undertaking.