(b)New Enrollment in Recurring Electronic Premium Deductions. Employee-beneficiaries who are required to pay a portion of their retiree premiums shall submit an Electronic Deduction Authorization Form within sixty (60) days of the effective date of the event that results in the required premium. Failure to submit an Electronic Deduction Authorization Form within sixty (60) days shall result in either the rejection of the employee-beneficiary's enrollment application or termination of health benefit plans as of the first day following the last period for which full payment was received by the Fund. If the Electronic Deduction Authorization Form is submitted after rejection of an enrollment application or termination of health benefit plans, the changes requested in the enrollment application or reinstatement of terminated health benefit plans, respectively, shall be effective retroactively to the effective date of enrollment application changes or the termination date, respectively.