; or (ii) receive a deferred annuity, lump-sum benefit, or any other benefit available to the employee under CSRS or FERS, in the same manner that would have been available to the employee if the employee had voluntarily separated from Federal employment on the day before the date of transfer. (B) Thrift Savings Plan accounts An employee who makes the election under subparagraph (A)(ii) shall have the option to transfer the balance in the employee’s Thrift Savings Plan account to the plan under the Corporation’s retirement system, consistent with applicable law and the terms of the Corporation’s plan. (C) Periodic election The Corporation shall provide for periodic election seasons during which an employee who transferred to the Corporation on the date of transfer may become eligible for retirement benefits under the Corporation’s employee benefits system established under section 90316(c) by making an election under subparagraph (A)(ii). (D) Continuity of annuitant benefits Notwithstanding any other provision of law, any individual who is receiving an annuity under chapter 83 or chapter 84 of title 5 may continue to receive such annuity while employed by the Corporation. (E) High-3 determination With respect to any employee who retains CSRS or FERS coverage pursuant to subparagraph (A), such employee’s basic pay while with the Corporation shall be included in any determination of such employee’s average pay under section 8331(4) or 8401(3), as the case may be, of title 5 when calculating the annuity (if any) of such employee. For purposes of this section, an employee’s basic pay shall be defined as such employee’s total annual salary or wages from the Corporation, including any location-based adjustment. (2) Payments to Civil Service Retirement and Disability Fund For employees of the Corporation who elect to retain their coverage under either CSRS or FERS pursuant to paragraph (1), the Corporation shall only be required to pay to the Civil Service Retirement and Disability Fund— (A) such employee deductions and