Member's voluntary contributions. Limitations.

(b) For purposes of applying the limitations of Section 415(c) of the Internal Revenue Code under subsection (a) of this section, compensation shall include (1) wages within the meaning of Section 3401(a) of the Internal Revenue Code, for purposes of income tax withholding at the source, (2) amounts that would be included in wages except for elections made under Section 125(a), 132(f)(4), 402(e)(3), 402(h)(1)(B), 402(k) or 457(b) of the Internal Revenue Code, and (3) any other payments of compensation to a member by such member's employer for which the employer is required to furnish the member a written statement under Sections 6041(d), 6051(a)(3) and 6052 of the Internal Revenue Code, but such compensation shall not exceed the maximum amount allowed under Section 401(a)(17) of the Internal Revenue Code for the applicable limitation year.