Determination of employer-provided benefit
(b) Determination of employer-provided benefit(1) General rule. An employee's employer-provided benefit under a contributory DB plan for purposes of section 401(a)(4) equals the difference between the employee's total benefit and the employee's employee-provided benefit under the plan. The rules of section 411(c) generally must be used to determine the employee's employer-provided benefit for this purpose. However, paragraphs (b)(2) through (b)(6) of this section provide alternative methods for determining the employee's employer-provided benefit. (2) Composition-of-workforce method(i) General rule. A contributory DB plan that satisfies paragraph (b)(2)(ii) (A) and (B) of this section may determine employees' employer-provided benefit rates under the rules of paragraph (b)(2)(iii) of this section. (ii) Eligibility requirements(A) Uniform rate of employee contributions. A contributory DB plan satisfies this paragraph (b)(2)(ii)(A) if all employees make employee contributions at the same rate, expressed as a percentage of plan year compensation (the employee contribution rate). A plan does not fail to satisfy this paragraph (b)(2)(ii)(A) merely because it eliminates employee contributions for all employees with plan year compensation below a specified contribution breakpoint that is either a stated dollar amount or a stated percentage of covered compensation (within the meaning of 1.401(l)-1(c)(7)); or merely because all employees make employee contributions at the same rate (expressed as a percentage of plan year compensation) with respect to plan year compensation up to the contribution breakpoint (base employee contribution rate) and at a higher rate (expressed as a percentage of plan year compensation) that is the same for all employees with respect to plan year compensation above the contribution breakpoint (excess employee contribution rate). A plan described in paragraph (c)(4)(i) of this section that satisfies paragraph (c)(4)(iii) of this section is deemed to satisfy this paragraph. (B) Demographic requirements(1) In general. A contributory DB plan satisfies this paragraph (b)(2)(ii)(B) if it satisfies either of the demographic tests in paragraph (b)(2)(ii)(B) (2) or (3) of this section.