6. Existing contracts of employment
(1) Where, before the commencement of this Act, an employee has entered into a contract of employment with an employer, then, the employer shall, if so requested by the employee, furnish to the employee a statement containing the particulars specified in subsections (1) and (1A) of section 3 and, if so requested by the employee, there shall be added to the statement the particulars specified in section 4.
(2) An employer shall, within 2 months after the employer has been required to do so under subsection (1) furnish to the employee concerned a written statement in accordance with that subsection.