24.—Any notice of termination of employment given in respect of an employee or any suspension from employment imposed on an employee—

( a ) before the receipt by the employee's employer of a notification under section 9, 12, 14, 15 or 16 (or, where appropriate, under section 28), or

( b ) before the production for the employer's inspection of a certificate under section 11,

and due to expire during the employee's absence from work on protective leave or (as the case may require) during a period of natal care absence shall be extended by the period of absence from work on protective leave or, as the case may be, the period of natal care absence.