29 USC 1021 - Duty of disclosure and reporting

(a) Summary plan description and information to be furnished to participants and beneficiaries 
The administrator of each employee benefit plan shall cause to be furnished in accordance with section 1024 (b) of this title to each participant covered under the plan and to each beneficiary who is receiving benefits under the plan
(1) a summary plan description described in section 1022 (a)(1)1 of this title; and
(2) the information described in subsection (f) and sections 1024 (b)(3) and 1025 (a) and (c) of this title.
(b) Reports to be filed with Secretary of Labor 
The administrator shall, in accordance with section 1024 (a) of this title, file with the Secretary
(1) the annual report containing the information required by section 1023 of this title; and
(2) terminal and supplementary reports as required by subsection (c) of this section.
(c) Terminal and supplementary reports 

(1) Each administrator of an employee pension benefit plan which is winding up its affairs (without regard to the number of participants remaining in the plan) shall, in accordance with regulations prescribed by the Secretary, file such terminal reports as the Secretary may consider necessary. A copy of such report shall also be filed with the Pension Benefit Guaranty Corporation.
(2) The Secretary may require terminal reports to be filed with regard to any employee welfare benefit plan which is winding up its affairs in accordance with regulations promulgated by the Secretary.
(3) The Secretary may require that a plan described in paragraph (1) or (2) file a supplementary or terminal report with the annual report in the year such plan is terminated and that a copy of such supplementary or terminal report in the case of a plan described in paragraph (1) be also filed with the Pension Benefit Guaranty Corporation.
(d) Notice of failure to meet minimum funding standards 

(1) In general 
If an employer maintaining a plan other than a multiemployer plan fails to make a required installment or other payment required to meet the minimum funding standard under section 1082 of this title to a plan before the 60th day following the due date for such installment or other payment, the employer shall notify each participant and beneficiary (including an alternate payee as defined in section 1056 (d)(3)(K) of this title) of such plan of such failure. Such notice shall be made at such time and in such manner as the Secretary may prescribe.
(2) Subsection not to apply if waiver pending 
This subsection shall not apply to any failure if the employer has filed a waiver request under section 1083 of this title with respect to the plan year to which the required installment relates, except that if the waiver request is denied, notice under paragraph (1) shall be provided within 60 days after the date of such denial.
(3) Definitions 
For purposes of this subsection, the terms required installment and due date have the same meanings given such terms by section 1083 (j) of this title.
(e) Notice of transfer of excess pension assets to health benefits accounts 

(1) Notice to participants 
Not later than 60 days before the date of a qualified transfer by an employee pension benefit plan of excess pension assets to a health benefits account, the administrator of the plan shall notify (in such manner as the Secretary may prescribe) each participant and beneficiary under the plan of such transfer. Such notice shall include information with respect to the amount of excess pension assets, the portion to be transferred, the amount of health benefits liabilities expected to be provided with the assets transferred, and the amount of pension benefits of the participant which will be nonforfeitable immediately after the transfer.
(2) Notice to Secretaries, administrator, and employee organizations 

(A) In general 
Not later than 60 days before the date of any qualified transfer by an employee pension benefit plan of excess pension assets to a health benefits account, the employer maintaining the plan from which the transfer is made shall provide the Secretary, the Secretary of the Treasury, the administrator, and each employee organization representing participants in the plan a written notice of such transfer. A copy of any such notice shall be available for inspection in the principal office of the administrator.
(B) Information relating to transfer 
Such notice shall identify the plan from which the transfer is made, the amount of the transfer, a detailed accounting of assets projected to be held by the plan immediately before and immediately after the transfer, and the current liabilities under the plan at the time of the transfer.
(C) Authority for additional reporting requirements 
The Secretary may prescribe such additional reporting requirements as may be necessary to carry out the purposes of this section.
(3) Definitions 
For purposes of paragraph (1), any term used in such paragraph which is also used in section 420 of title 26 (as in effect on August 17, 2006) shall have the same meaning as when used in such section.
(f) Defined benefit plan funding notices 

(1) In general 
The administrator of a defined benefit plan to which subchapter III applies shall for each plan year provide a plan funding notice to the Pension Benefit Guaranty Corporation, to each plan participant and beneficiary, to each labor organization representing such participants or beneficiaries, and, in the case of a multiemployer plan, to each employer that has an obligation to contribute to the plan.
(2) Information contained in notices 

(A) Identifying information 
Each notice required under paragraph (1) shall contain identifying information, including the name of the plan, the address and phone number of the plan administrator and the plans principal administrative officer, each plan sponsors employer identification number, and the plan number of the plan.
(B) Specific information 
A plan funding notice under paragraph (1) shall include
(i) 
(I) in the case of a single-employer plan, a statement as to whether the plans funding target attainment percentage (as defined in section 1083 (d)(2) of this title) for the plan year to which the notice relates, and for the 2 preceding plan years, is at least 100 percent (and, if not, the actual percentages), or
(II) in the case of a multiemployer plan, a statement as to whether the plans funded percentage (as defined in section 1085 (i) of this title) for the plan year to which the notice relates, and for the 2 preceding plan years, is at least 100 percent (and, if not, the actual percentages),
(ii) 
(I) in the case of a single-employer plan, a statement of
(aa) the total assets (separately stating the prefunding balance and the funding standard carryover balance) and liabilities of the plan, determined in the same manner as under section 1083 of this title, for the plan year for which the latest annual report filed under section 1024 (a) of this title was filed and for the 2 preceding plan years, as reported in the annual report for each such plan year, and
(bb) the value of the plans assets and liabilities for the plan year to which the notice relates as of the last day of the plan year to which the notice relates determined using the asset valuation under subclause (II) of section 1306 (a)(3)(E)(iii) of this title and the interest rate under section 1306 (a)(3)(E)(iv) of this title, and
(II) in the case of a multiemployer plan, a statement of the value of the plans assets and liabilities for the plan year to which the notice relates as the last day of such plan year and the preceding 2 plan years,
(iii) a statement of the number of participants who are
(I) retired or separated from service and are receiving benefits,
(II) retired or separated participants entitled to future benefits, and
(III) active participants under the plan,
(iv) a statement setting forth the funding policy of the plan and the asset allocation of investments under the plan (expressed as percentages of total assets) as of the end of the plan year to which the notice relates,
(v) in the case of a multiemployer plan, whether the plan was in critical or endangered status under section 1085 of this title for such plan year and, if so
(I) a statement describing how a person may obtain a copy of the plans funding improvement or rehabilitation plan, as appropriate, adopted under section 1085 of this title and the actuarial and financial data that demonstrate any action taken by the plan toward fiscal improvement, and
(II) a summary of any funding improvement plan, rehabilitation plan, or modification thereof adopted under section 1085 of this title during the plan year to which the notice relates,
(vi) in the case of any plan amendment, scheduled benefit increase or reduction, or other known event taking effect in the current plan year and having a material effect on plan liabilities or assets for the year (as defined in regulations by the Secretary), an explanation of the amendment, schedule increase or reduction, or event, and a projection to the end of such plan year of the effect of the amendment, scheduled increase or reduction, or event on plan liabilities,
(vii) 
(I) in the case of a single-employer plan, a summary of the rules governing termination of single-employer plans under subtitle C of subchapter III, or
(II) in the case of a multiemployer plan, a summary of the rules governing reorganization or insolvency, including the limitations on benefit payments,
(viii) a general description of the benefits under the plan which are eligible to be guaranteed by the Pension Benefit Guaranty Corporation, along with an explanation of the limitations on the guarantee and the circumstances under which such limitations apply,
(ix) a statement that a person may obtain a copy of the annual report of the plan filed under section 1024 (a) of this title upon request, through the Internet website of the Department of Labor, or through an Intranet website maintained by the applicable plan sponsor (or plan administrator on behalf of the plan sponsor), and
(x) if applicable, a statement that each contributing sponsor, and each member of the contributing sponsors controlled group, of the single-employer plan was required to provide the information under section 1310 of this title for the plan year to which the notice relates.
(C) Other information 
Each notice under paragraph (1) shall include
(i) in the case of a multiemployer plan, a statement that the plan administrator shall provide, upon written request, to any labor organization representing plan participants and beneficiaries and any employer that has an obligation to contribute to the plan, a copy of the annual report filed with the Secretary under section 1024 (a) of this title, and
(ii) any additional information which the plan administrator elects to include to the extent not inconsistent with regulations prescribed by the Secretary.
(3) Time for providing notice 

(A) In general 
Any notice under paragraph (1) shall be provided not later than 120 days after the end of the plan year to which the notice relates.
(B) Exception for small plans 
In the case of a small plan (as such term is used under section 1083 (g)(2)(B) of this title) any notice under paragraph (1) shall be provided upon filing of the annual report under section 1024 (a) of this title.
(4) Form and manner 
Any notice under paragraph (1)
(A) shall be provided in a form and manner prescribed in regulations of the Secretary,
(B) shall be written in a manner so as to be understood by the average plan participant, and
(C) may be provided in written, electronic, or other appropriate form to the extent such form is reasonably accessible to persons to whom the notice is required to be provided.
(g) Reporting by certain arrangements 
The Secretary may, by regulation, require multiple employer welfare arrangements providing benefits consisting of medical care (within the meaning of section 1191b (a)(2) of this title) which are not group health plans to report, not more frequently than annually, in such form and such manner as the Secretary may require for the purpose of determining the extent to which the requirements of part 7 are being carried out in connection with such benefits.
(h) Simple retirement accounts 

(1) No employer reports 
Except as provided in this subsection, no report shall be required under this section by an employer maintaining a qualified salary reduction arrangement under section 408 (p) of title 26.
(2) Summary description 
The trustee of any simple retirement account established pursuant to a qualified salary reduction arrangement under section 408 (p) of title 26 shall provide to the employer maintaining the arrangement each year a description containing the following information:
(A) The name and address of the employer and the trustee.
(B) The requirements for eligibility for participation.
(C) The benefits provided with respect to the arrangement.
(D) The time and method of making elections with respect to the arrangement.
(E) The procedures for, and effects of, withdrawals (including rollovers) from the arrangement.
(3) Employee notification 
The employer shall notify each employee immediately before the period for which an election described in section 408 (p)(5)(C) of title 26 may be made of the employees opportunity to make such election. Such notice shall include a copy of the description described in paragraph (2).
(i) Notice of blackout periods to participant or beneficiary under individual account plan 

(1) Duties of plan administrator 
In advance of the commencement of any blackout period with respect to an individual account plan, the plan administrator shall notify the plan participants and beneficiaries who are affected by such action in accordance with this subsection.
(2) Notice requirements 

(A) In general 
The notices described in paragraph (1) shall be written in a manner calculated to be understood by the average plan participant and shall include
(i) the reasons for the blackout period,
(ii) an identification of the investments and other rights affected,
(iii) the expected beginning date and length of the blackout period,
(iv) in the case of investments affected, a statement that the participant or beneficiary should evaluate the appropriateness of their current investment decisions in light of their inability to direct or diversify assets credited to their accounts during the blackout period, and
(v) such other matters as the Secretary may require by regulation.
(B) Notice to participants and beneficiaries 
Except as otherwise provided in this subsection, notices described in paragraph (1) shall be furnished to all participants and beneficiaries under the plan to whom the blackout period applies at least 30 days in advance of the blackout period.
(C) Exception to 30-day notice requirement 
In any case in which
(i) a deferral of the blackout period would violate the requirements of subparagraph (A) or (B) of section 1104 (a)(1) of this title, and a fiduciary of the plan reasonably so determines in writing, or
(ii) the inability to provide the 30-day advance notice is due to events that were unforeseeable or circumstances beyond the reasonable control of the plan administrator, and a fiduciary of the plan reasonably so determines in writing,

subparagraph (B) shall not apply, and the notice shall be furnished to all participants and beneficiaries under the plan to whom the blackout period applies as soon as reasonably possible under the circumstances unless such a notice in advance of the termination of the blackout period is impracticable.

(D) Written notice 
The notice required to be provided under this subsection shall be in writing, except that such notice may be in electronic or other form to the extent that such form is reasonably accessible to the recipient.
(E) Notice to issuers of employer securities subject to blackout period 
In the case of any blackout period in connection with an individual account plan, the plan administrator shall provide timely notice of such blackout period to the issuer of any employer securities subject to such blackout period.
(3) Exception for blackout periods with limited applicability 
In any case in which the blackout period applies only to 1 or more participants or beneficiaries in connection with a merger, acquisition, divestiture, or similar transaction involving the plan or plan sponsor and occurs solely in connection with becoming or ceasing to be a participant or beneficiary under the plan by reason of such merger, acquisition, divestiture, or transaction, the requirement of this subsection that the notice be provided to all participants and beneficiaries shall be treated as met if the notice required under paragraph (1) is provided to such participants or beneficiaries to whom the blackout period applies as soon as reasonably practicable.
(4) Changes in length of blackout period 
If, following the furnishing of the notice pursuant to this subsection, there is a change in the beginning date or length of the blackout period (specified in such notice pursuant to paragraph (2)(A)(iii)), the administrator shall provide affected participants and beneficiaries notice of the change as soon as reasonably practicable. In relation to the extended blackout period, such notice shall meet the requirements of paragraph (2)(D) and shall specify any material change in the matters referred to in clauses (i) through (v) of paragraph (2)(A).
(5) Regulatory exceptions 
The Secretary may provide by regulation for additional exceptions to the requirements of this subsection which the Secretary determines are in the interests of participants and beneficiaries.
(6) Guidance and model notices 
The Secretary shall issue guidance and model notices which meet the requirements of this subsection.
(7) Blackout period 
For purposes of this subsection
(A) In general 
The term blackout period means, in connection with an individual account plan, any period for which any ability of participants or beneficiaries under the plan, which is otherwise available under the terms of such plan, to direct or diversify assets credited to their accounts, to obtain loans from the plan, or to obtain distributions from the plan is temporarily suspended, limited, or restricted, if such suspension, limitation, or restriction is for any period of more than 3 consecutive business days.
(B) Exclusions 
The term blackout period does not include a suspension, limitation, or restriction
(i) which occurs by reason of the application of the securities laws (as defined in section 78c (a)(47) of title 15),
(ii) which is a change to the plan which provides for a regularly scheduled suspension, limitation, or restriction which is disclosed to participants or beneficiaries through any summary of material modifications, any materials describing specific investment alternatives under the plan, or any changes thereto, or
(iii) which applies only to 1 or more individuals, each of whom is the participant, an alternate payee (as defined in section 1056 (d)(3)(K) of this title), or any other beneficiary pursuant to a qualified domestic relations order (as defined in section 1056 (d)(3)(B)(i) of this title).
(8) Individual account plan 

(A) In general 
For purposes of this subsection, the term individual account plan shall have the meaning provided such term in section 1002 (34) of this title, except that such term shall not include a one-participant retirement plan.
(B) One-participant retirement plan 
For purposes of subparagraph (A), the term one-participant retirement plan means a retirement plan that
(i) on the first day of the plan year
(I) covered only one individual (or the individual and the individuals spouse) and the individual (or the individual and the individuals spouse) owned 100 percent of the plan sponsor (whether or not incorporated), or
(II) covered only one or more partners (or partners and their spouses) in the plan sponsor, and
(ii) does not cover a business that leases employees.
(j) Notice of funding-based limitation on certain forms of distribution 
The plan administrator of a single-employer plan shall provide a written notice to plan participants and beneficiaries within 30 days
(1) after the plan has become subject to a restriction described in paragraph (1) or (3) of section 1056 (g) of this title),[2]
(2) in the case of a plan to which section 1056 (g)(4) of this title applies, after the valuation date for the plan year described in section 1056 (g)(4)(B) of this title for which the plans adjusted funding target attainment percentage for the plan year is less than 60 percent (or, if earlier, the date such percentage is deemed to be less than 60 percent under section 1056 (g)(7) of this title), and
(3) at such other time as may be determined by the Secretary of the Treasury.

The notice required to be provided under this subsection shall be in writing, except that such notice may be in electronic or other form to the extent that such form is reasonably accessible to the recipient.

(k) Multiemployer plan information made available on request 

(1) In general 
Each administrator of a multiemployer plan shall, upon written request, furnish to any plan participant or beneficiary, employee representative, or any employer that has an obligation to contribute to the plan
(A) a copy of any periodic actuarial report (including any sensitivity testing) received by the plan for any plan year which has been in the plans possession for at least 30 days,
(B) a copy of any quarterly, semi-annual, or annual financial report prepared for the plan by any plan investment manager or advisor or other fiduciary which has been in the plans possession for at least 30 days, and
(C) a copy of any application filed with the Secretary of the Treasury requesting an extension under section 1084 of this title or section 431 (d) of title 26 and the determination of such Secretary pursuant to such application.
(2) Compliance 
Information required to be provided under paragraph (1)
(A) shall be provided to the requesting participant, beneficiary, or employer within 30 days after the request in a form and manner prescribed in regulations of the Secretary,
(B) may be provided in written, electronic, or other appropriate form to the extent such form is reasonably accessible to persons to whom the information is required to be provided, and
(C) shall not
(i) include any individually identifiable information regarding any plan participant, beneficiary, employee, fiduciary, or contributing employer, or
(ii) reveal any proprietary information regarding the plan, any contributing employer, or entity providing services to the plan.
(3) Limitations 
In no case shall a participant, beneficiary, or employer be entitled under this subsection to receive more than one copy of any report or application described in paragraph (1) during any one 12-month period. The administrator may make a reasonable charge to cover copying, mailing, and other costs of furnishing copies of information pursuant to paragraph (1). The Secretary may by regulations prescribe the maximum amount which will constitute a reasonable charge under the preceding sentence.
(l) Notice of potential withdrawal liability 

(1) In general 
The plan sponsor or administrator of a multiemployer plan shall, upon written request, furnish to any employer who has an obligation to contribute to the plan a notice of
(A) the estimated amount which would be the amount of such employers withdrawal liability under part 1 of subtitle E of subchapter III if such employer withdrew on the last day of the plan year preceding the date of the request, and
(B) an explanation of how such estimated liability amount was determined, including the actuarial assumptions and methods used to determine the value of the plan liabilities and assets, the data regarding employer contributions, unfunded vested benefits, annual changes in the plans unfunded vested benefits, and the application of any relevant limitations on the estimated withdrawal liability.

For purposes of subparagraph (B), the term employer contribution means, in connection with a participant, a contribution made by an employer as an employer of such participant.

(2) Compliance 
Any notice required to be provided under paragraph (1)
(A) shall be provided in a form and manner prescribed in regulations of the Secretary to the requesting employer within
(i) 180 days after the request, or
(ii) subject to regulations of the Secretary, such longer time as may be necessary in the case of a plan that determines withdrawal liability based on any method described under paragraph (4) or (5) of section 1391 (c) of this title; and
(B) may be provided in written, electronic, or other appropriate form to the extent such form is reasonably accessible to employers to whom the information is required to be provided.
(3) Limitations 
In no case shall an employer be entitled under this subsection to receive more than one notice described in paragraph (1) during any one 12-month period. The person required to provide such notice may make a reasonable charge to cover copying, mailing, and other costs of furnishing such notice pursuant to paragraph (1). The Secretary may by regulations prescribe the maximum amount which will constitute a reasonable charge under the preceding sentence.
(m) Notice of right to divest 
Not later than 30 days before the first date on which an applicable individual of an applicable individual account plan is eligible to exercise the right under section 1054 (j) of this title to direct the proceeds from the divestment of employer securities with respect to any type of contribution, the administrator shall provide to such individual a notice
(1) setting forth such right under such section, and
(2) describing the importance of diversifying the investment of retirement account assets.

The notice required by this subsection shall be written in a manner calculated to be understood by the average plan participant and may be delivered in written, electronic, or other appropriate form to the extent that such form is reasonably accessible to the recipient.

(n) Cross reference 
For regulations relating to coordination of reports to the Secretaries of Labor and the Treasury, see section 1204 of this title.
[1] See References in Text note below.
[2] So in original. The closing parenthesis probably should not appear.