subsection, the term controlled group means all persons treated as a single employer under subsection (b), (c), (m), or (o) of section 414 of the Internal Revenue Code of 1986 as of the date of the enactment of this subsection. (7) Effect on premium rate calculation Notwithstanding any other provision of law or any regulation issued by the Pension Benefit Guaranty Corporation, in the case of a plan for which an election is made to apply the alternative standards described in paragraph (3), the additional premium under section 4006(a)(3)(E) shall be determined as if such election had not been made. . (c) Effective date The amendments made by this section shall apply to plan years ending after December 31, 2017. 307. Minimum rate of interest for certain determinations related to life insurance contracts (a) Modification of minimum rate for purposes of cash value accumulation test (1) In general Section 7702(b)(2)(A) of the Internal Revenue Code of 1986 is amended by striking an annual effective rate of 4 percent and inserting the applicable accumulation test minimum rate . (2) Applicable accumulation test minimum rate Section 7702(b) of such Code is amended by adding at the end the following new paragraph: (3) Applicable accumulation test minimum rate For purposes of paragraph (2)(A), the term applicable accumulation test minimum rate means the lesser of— (A) an annual effective rate of 4 percent, or (B) the insurance interest rate (as defined in subsection (f)(11)) in effect at the time the contract is issued. . (b) Modification of minimum rate for purposes of guideline premium requirements (1) In general Section 7702(c)(3)(B)(iii) of such Code is amended by striking an annual effective rate of 6 percent and inserting the applicable guideline premium minimum rate . (2) Applicable guideline premium minimum rate Section 7702(c)(3) of such Code is amended by adding at the end the following new subparagraph: (E) Applicable guideline premium minimum rate For purposes of subparagraph (B)(iii), the term applicable