rate (or equivalent thereof) for such payments shall be determined on the basis of the wages which would have been paid by the employer during such period if the employee had not been providing service in the uniformed services. (B) Retirement plan In determining whether the retirement plan requirements of paragraph (1)(D)(i)(II) are met with respect to 90 percent of a taxpayer's employees for any taxable year, a taxpayer may elect to exclude from such determination— (i) employees not meeting the age or service requirements under section 410(a)(1) (or such lower age or service requirements as the employer provides), and (ii) employees described in section 410(b)(3). (c) Retirement plan requirements (1) In general The requirements of this subsection are met for any taxable year with respect to an employee of the taxpayer who is not a highly compensated employee if the employee is eligible to participate in one or more applicable eligible retirement plans maintained by the employer for a plan year ending with or within the taxable year. (2) Applicable eligible retirement plan For purposes of this subsection, the term applicable eligible retirement plan means an eligible retirement plan which, with respect to the plan year described in paragraph (1), is either— (A) a defined contribution plan which— (i) requires the employer to make nonelective contributions of at least 5 percent of the compensation of the employee, or (ii) both— (I) includes an eligible automatic contribution arrangement (as defined in section 414(w)(3)) under which the uniform percentage described in section 414(w)(3)(B) is at least 5 percent, and (II) requires the employer to make matching contributions of 100 percent of the elective deferrals (as defined in section 414(u)(2)(C)) of the employee to the extent such deferrals do not exceed the percentage specified by the plan (not less than 5 percent) of the employee's compensation, or (B) a defined benefit plan— (i) with respect to which the accrued benefit of the employee derived from employer