This Act may be cited as the “Miners Pension Protection Act”.

(a) In general.—Subsection (i) of section 402 of the Surface Mining Control and Reclamation Act of 1977 (30 U.S.C. 1232) is amended—

(1) in paragraph (3)(A), by striking “$490,000,000” and inserting “$750,000,000”;

(2) by redesignating paragraph (4) as paragraph (5); and

(3) by inserting after paragraph (3) the following:

“(4) ADDITIONAL AMOUNTS.—

“(A) CALCULATION.—If the dollar limitation specified in paragraph (3)(A) exceeds the aggregate amount required to be transferred under paragraphs (1) and (2) for a fiscal year, the Secretary of the Treasury shall transfer an additional amount equal to the difference between such dollar limitation and such aggregate amount to the trustees of the 1974 UMWA Pension Plan to pay benefits required under that plan.

“(B) CESSATION OF TRANSFERS.—The transfers described in subparagraph (A) shall cease as of the first fiscal year beginning after the first plan year for which the funded percentage (as defined in section 432(j)(2) of the Internal Revenue Code of 1986) of the 1974 UMWA Pension Plan is at least 100 percent.

“(C) PROHIBITION ON BENEFIT INCREASES, ETC.—During a fiscal year in which the 1974 UMWA Pension Plan is receiving transfers under subparagraph (A), no amendment of such plan which increases the liabilities of the plan by reason of any increase in benefits, any change in the accrual of benefits, or any change in the rate at which benefits become nonforfeitable under the plan may be adopted unless the amendment is required as a condition of qualification under part I of subchapter D of chapter 1 of the Internal Revenue Code of 1986.

“(D) CRITICAL STATUS TO BE MAINTAINED.—Until such time as the 1974 UMWA Pension Plan ceases to be eligible for the transfers described in subparagraph (A)—

“(i) the Plan shall be treated as if it were in critical status for purposes of sections 412(b)(3), 432(e)(3), and 4971(g)(1)(A) of the Internal Revenue Code of 1986 and sections 302(b)(3) and 305(e)(3) of the Employee Retirement Income Security Act;

“(ii) the Plan shall maintain and comply with its rehabilitation plan under section 432(e) of such Code and section 305(e) of such Act, including any updates thereto; and

“(iii) the provisions of subsections (c) and (d) of section 432 of such Code and subsections (c) and (d) of section 305 of such Act shall not apply.

“(E) REQUIREMENT TO MAINTAIN CONTRIBUTION RATE.—No transfer under subparagraph (A) shall be made for a fiscal year unless the persons that are obligated to contribute to the 1974 UMWA Pension Plan as of the date of the transfer are obligated to make such contributions at rates that are no less than those in effect on the date which is 30 days before the date of enactment of the Miners Pension Protection Act.

“(F) ENHANCED ANNUAL REPORTING.—

“(i) IN GENERAL.—Not later than the 90th day of each plan year beginning after the date of enactment of the Miners Pension Protection Act, the trustees of the 1974 UMWA Pension Plan shall file with the Secretary of the Treasury or the Secretary's delegate and the Pension Benefit Guaranty Corporation a report (including appropriate documentation and actuarial certifications from the plan actuary, as required by the Secretary of the Treasury or the Secretary's delegate) that contains—

“(I) whether the plan is in endangered or critical status under section 305 of the Employee Retirement Income Security Act of 1974 and section 432 of the Internal Revenue Code of 1986 as of the first day of such plan year;

“(II) the funded percentage (as defined in section 432(j)(2) of such Code) as of the first day of such plan year, and the underlying actuarial value of assets and liabilities taken into account in determining such percentage;

“(III) the market value of the assets of the plan as of the last day of the plan year preceding such plan year;

“(IV) the total value of all contributions made during the plan year preceding such plan year;

“(V) the total value of all benefits paid during the plan year preceding such plan year;

“(VI) cash flow projections for such plan year and either the 6 or 10 succeeding plan years, at the election of the trustees, and the assumptions relied upon in making such projections;

“(VII) funding standard account projections for such plan year and the 9 succeeding plan years, and the assumptions relied upon in making such projections;

“(VIII) the total value of all investment gains or losses during the plan year preceding such plan year;

“(IX) any significant reduction in the number of active participants during the plan year preceding such plan year, and the reason for such reduction;

“(X) a list of employers that withdrew from the plan in the plan year preceding such plan year, and the resulting reduction in contributions;

“(XI) a list of employers that paid withdrawal liability to the plan during the plan year preceding such plan year and, for each employer, a total assessment of the withdrawal liability paid, the annual payment amount, and the number of years remaining in the payment schedule with respect to such withdrawal liability;

“(XII) any material changes to benefits, accrual rates, or contribution rates during the plan year preceding such plan year;

“(XIII) any scheduled benefit increase or decrease in the plan year preceding such plan year having a material effect on liabilities of the plan;

“(XIV) details regarding any funding improvement plan or rehabilitation plan and updates to such plan;

“(XV) the number of participants and beneficiaries during the plan year preceding such plan year who are active participants, the number of participants and beneficiaries in pay status, and the number of terminated vested participants and beneficiaries;

“(XVI) the information contained on the most recent annual funding notice submitted by the plan under section 101(f) of the Employee Retirement Income Security Act of 1974;

“(XVII) the information contained on the most recent Department of Labor Form 5500 of the plan; and

“(XVIII) copies of the plan document and amendments, other retirement benefit or ancillary benefit plans relating to the plan and contribution obligations under such plans, a breakdown of administrative expenses of the plan, participant census data and distribution of benefits, the most recent actuarial valuation report as of the plan year, copies of collective bargaining agreements, and financial reports, and such other information as the Secretary of the Treasury or the Secretary's delegate, in consultation with the Secretary of Labor and the Director of the Pension Benefit Guaranty Corporation, may require.

“(ii) ELECTRONIC SUBMISSION.—The report required under clause (i) shall be submitted electronically.

“(iii) INFORMATION SHARING.—The Secretary of the Treasury or the Secretary's delegate shall share the information in the report under clause (i) with the Secretary of Labor.

“(iv) PENALTY.—Any failure to file the report required under clause (i) on or before the date described in such clause shall be treated as a failure to file a report required to be filed under section 6058(a) of the Internal Revenue Code of 1986, except that section 6652(e) of such Code shall be applied with respect to any such failure by substituting ‘$100’ for ‘$25’. The preceding sentence shall not apply if the Secretary of the Treasury or the Secretary's delegate determines that reasonable diligence has been exercised by the trustees of such plan in attempting to timely file such report.

“(G) 1974 UMWA PENSION PLAN DEFINED.—For purposes of this paragraph, the term ‘1974 UMWA Pension Plan’ has the meaning given the term in section 9701(a)(3) of the Internal Revenue Code of 1986, but without regard to the limitation on participation to individuals who retired in 1976 and thereafter.”.

(b) Effective dates.—

(1) IN GENERAL.—The amendments made by this section shall apply to fiscal years beginning after September 30, 2016.

(2) REPORTING REQUIREMENTS.—Section 402(i)(4)(F) of the Surface Mining Control and Reclamation Act of 1977 (30 U.S.C. 1232(i)(4)(F)), as added by this section, shall apply to plan years beginning after the date of the enactment of this Act.

(a) In general.—Section 401(a)(36) of the Internal Revenue Code of 1986 is amended by striking “age 62” and inserting “age 59½”.

(b) Application to governmental section 457(b) plans.—Clause (i) of section 457(d)(1)(A) of the Internal Revenue Code of 1986 is amended by inserting “(in the case of a plan maintained by an employer described in subsection (e)(1)(A), age 59½)” before the comma at the end.

(c) Effective date.—The amendments made by this section shall apply to plan years beginning after December 31, 2017.