For purposes of section 204(b)(1)(E) of the Act and section 411(b)(1)(E) of the Code (which permit deferral of benefit accrual until an employee has 2 continuous years of service), an employee shall be credited with a year of service for each computation period in which he or she completes 1,000 hours of service. The computation period shall be the eligibility computation period designated in accordance with Sec. 2530.202-2.