The principal Act is amended by inserting the following section after section 115:
“115A Notifying controlling third party of intention to apply to join to personal grievance
For the purposes of section 103B, this section is complied with when either—
“(a) an employee who intends to apply under section 103B notifies the controlling third party of that intention within the period of 90 days beginning with the date on which the action alleged to amount to a personal grievance occurred or came to the notice of the employee, whichever is the later, unless the controlling third party consents to being notified of the intention to apply under section 103B after the expiration of that period; or
“(b) an employer who intends to apply under section 103B notifies the person alleged to be a controlling third party of that intention within the period of 90 days beginning with the date on which the employer's employee raised the personal grievance with the employer, unless the controlling third party consents to being notified of the intention to apply under section 103B after the expiration of that period.”