485BPOS

'33 Act File No. 333-169879

'40 Act File No. 811-08301

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-6

REGISTRATION UNDER THE SECURITIES ACT OF 1933
Pre-effective Amendment No.	o
Post-effective Amendment No. 2	þ

and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940
Amendment No. 178	þ

(Check appropriate box or boxes.)

NATIONWIDE VLI SEPARATE ACCOUNT-4

(Exact Name of Registrant)

NATIONWIDE LIFE INSURANCE COMPANY

(Name of Depositor)

One Nationwide Plaza

Columbus, Ohio 43215

(Address of Depositor's Principal Executive Offices)  (Zip Code)

Depositor's Telephone Number, including Area Code:  (614) 249-7111

Robert W. Horner, III

Vice President Corporate Governance and Secretary

One Nationwide Plaza

Columbus, Ohio 43215

(Name and Address of Agent for Service)

Approximate Date of Proposed Public Offering February 14, 2012

It is proposed that this filing will become effective (check appropriate box)

þ       immediately upon filing pursuant to paragraph (b)

o      on (date) pursuant to paragraph (b)

o      60 days after filing pursuant to paragraph (a)(1)

o      on (date) pursuant to paragraph (a)(1)

If appropriate, check the following box:

o      this post-effective amendment designates a new effective date for a previously filed post-effective amendment.

Nationwide Life Insurance Company · Nationwide VLI Separate Account-4 Nationwide Life and Annuity Insurance Company · Nationwide VL Separate Account-C · Nationwide VL Separate Account-D

Prospectus supplement dated February 14, 2012 to

Bank One/One Investor PCVUL prospectus dated May 1, 2008;

BOA COLI Future NLAIC and BOA CVUL prospectus dated May 1, 2008;

BOA COLI Future, BAE Future Corporate FPVUL, Future Executive VUL, Marathon CVUL, and

Next Generation Corporate FPVUL prospectus dated May 1, 2011

This supplement updates certain information contained in your prospectus.  Please read it and keep it with your prospectus for future reference.

The Board of Trustees of Invesco voted to merge the Invesco – Invesco V.I. Capital Development Fund: Series I Shares into the Invesco – Invesco Van Kampen V.I. Mid Cap Growth Fund: Series I Shares effective on or about April 27, 2012.  Subject to shareholder approval, after the close of business on or about April 27, 2012, any account value allocated to the Invesco – Invesco V.I. Capital Development Fund: Series I Shares will be transferred to the Invesco – Invesco Van Kampen V.I. Mid Cap Growth Fund: Series I Shares.

In connection with this merger, effective April 27, 2012, the Invesco – Invesco Van Kampen V.I. Mid Cap Growth Fund: Series I Shares is added to the policy as an investment option and "Appendix A: Sub-Account Information" is revised to add the following:

Invesco - Invesco Van Kampen V.I. Mid Cap Growth   Fund: Series I

This sub-account is only available for policies issued before December 31, 2011.

Investment Advisor:	Invesco Advisers, Inc.
Investment Objective:	Capital growth.

Additionally, all references to Invesco – Invesco V.I. Capital Development Fund: Series I Shares are removed .

INCORPORATION BY REFERENCE

The prospectus supplements dated June 10, 2011, June 24, 2011, July 12, 2011, September 12, 2011, and December 21, 2011, and the prospectus, statement of additional information, and Part C that were effective May 1, 2011, previously filed with the Commission under SEC file No. 333-169879, are hereby incorporated by reference and made a part of this registration statement.

SIGNATURES

As required by the Securities Act of 1933, and the Investment Company Act of 1940, the Registrant, NATIONWIDE VLI SEPARATE ACCOUNT-4, certifies that it meets the requirements of Securities Act Rule 485(b) for effectiveness of this Registration Statement and has caused the Registration Statement to be signed on its behalf in the City of Columbus, and State of Ohio, on this 14 th day of February, 2012 .

NATIONWIDE VLI SEPARATE ACCOUNT-4

(Registrant)

NATIONWIDE LIFE INSURANCE COMPANY

(Depositor)

By/s/ TIMOTHY D. CRAWFORD

 Timothy D. Crawford

As required by the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities indicated on the 14 th day of February, 2012 .

KIRT A. WALKER
Kirt A. Walker, President and Chief Operating Officer, and Director
MARK R. THRESHER
Mark R. Thresher, Executive Vice President and Director
TIMOTHY G. FROMMEYER
Timothy G. Frommeyer, Senior Vice President-Chief Financial Officer and Director
PETER A. GOLATO
Peter A. Golato, Senior Vice President- Nationwide Financial Network and Director
STEPHEN S. RASMUSSEN
Stephen S. Rasmussen, Director
	By /s/  TIMOTHY D. CRAWFORD
	Timothy D. Crawford
	Attorney-in-Fact

EX-99.N OTH OPINIONS

Consent of Independent Registered Public Accounting Firm

Board of Directors and Shareholder

Nationwide Life Insurance Company:

We consent to the incorporation by reference in this Registration Statement on Form N-6 of Nationwide Life Insurance Company filed pursuant to Rule 485(b) of the Securities Act of 1933, our report dated March 1, 2011 relating to the financial statements and schedules of Nationwide Life Insurance Company and subsidiaries (the Company) and our report dated March 9, 2011 relating to the financial statements of Nationwide VLI Separate Account-4, which appears in the Registration Statement on Form N-6 (No. 333-169879). We also consent to the reference to our firm under the heading “Independent Registered Public Accounting Firm” in the Registration Statement on Form N-6 (No. 333-169879), incorporated by reference into this Registration Statement.  Our report with respect to the consolidated financial statements and schedules refers to the Company’s change in its method of evaluating other-than-temporary impairments of debt securities due to the adoption of new accounting requirements issued by the FASB, as of January 1, 2009.

/s/ KPMG LLP

Columbus, Ohio

February 14, 2012

EX-99

POWER OF ATTORNEY

Each of the undersigned as directors and/or officers of NATIONWIDE LIFE INSURANCE COMPANY and NATIONWIDE LIFE AND ANNUITY INSURANCE COMPANY, both Ohio corporations, which have filed or will file with the U.S. Securities and Exchange Commission under the provisions of the Securities Act of 1933, as amended; the Investment Company Act of 1940, as amended; and, if applicable, the Securities Exchange Act of 1934, various registration statements and amendments thereto for the registration of current, as well as any future, separate accounts established by said corporations for the purpose of registering under said Act(s) immediate or deferred variable annuity contracts, fixed interest rate options subject to a market value adjustment, group flexible fund retirement annuity contracts and variable life insurance policies in connection with the separate accounts and contracts listed below:

Variable Annuities and Variable Life Insurance Policies

Separate Account (1940 Act File No.)	1933 Act File Nos.
MFS Variable Account (811-2662)	002-73432
Multi-Flex Variable Account (811-3338)	033-23905, 002-75174
Nationwide Variable Account (811-2716)	002-58043, 333-80481, 033-60239, 333-176908
Nationwide Variable Account-II (811-3330)	002-75059, 033-67636, 033-60063, 333-103093, 333-103094, 333-103095, 333-104513, 333-104511, 333-104512, 333-104510, 333-105992, 333-147273, 333-140621, 333-144053, 333-147198, 333-151990, 333-160635, 333-164886, 333-168818, 333-173934, 333-177581, 333-177582, 333-177316, 333-177319, 333-177439, 333-177441, 333-177729, 333-177731, 333-173349, 333-177938
Nationwide Variable Account-3 (811-5405)	033-18422, 033-24434
Nationwide Variable Account-4 (811-5701)	033-25734, 033-26454, 333-62692, 333-135650, 333-140812
Nationwide Variable Account-5 (811-8142)	033-71440
Nationwide Variable Account-6 (811-8684)	033-82370, 333-21909
Nationwide Variable Account-7 (811-8666)	033-82190, 033-82174, 033-89560
Nationwide Variable Account-8 (811-7357)	033-62637, 033-62659
Nationwide Variable Account-9 (811-08241)	333-28995, 333-52579, 333-56073, 333-53023, 333-79327, 333-69014, 333-75360
Nationwide Variable Account-10 (811-09407)	333-81701
Nationwide Variable Account-11 (811-10591)	333-74904, 333-74908
Nationwide Variable Account-12 (811-21099)	333-88612, 333-108894, 333-178057, 333-178059
Nationwide Variable Account-13 (811-21139)	333-91890
Nationwide Variable Account-14 (811-21205)	333-104339
Nationwide VA Separate Account-A (811-5606)	033-85164, 033-22940
Nationwide VA Separate Account-B (811-06399)	033-86408, 033-93482, 333-11415
Nationwide VA Separate Account-C (811-7908)	033-66496, 333-44485
Nationwide VA Separate Account-D (811-10139)	333-45976
Nationwide VLI Separate Account (811-4399)	033-00145, 033-44290, 033-35698
Nationwide VLI Separate Account-2 (811-5311)	033-16999, 033-62795, 033-42180, 033-35783, 033-63179, 333-27133
Nationwide VLI Separate Account-3 (811-6140)	033-44789, 033-44296
Nationwide VLI Separate Account-4 (811-08301)	333-31725, 333-43671, 333-52617, 333-94037, 333-52615, 333-53728, 333-69160, 333-83010, 333-137202, 333-153343, 333-169879
Nationwide VLI Separate Account-5 (811-10143)	333-46338, 333-46412, 333-66572, 333-121881, 333-125481, 333-125482
Nationwide VLI Separate Account-6 (811-21398)	333-106908
Nationwide VLI Separate Account-7 (811-21610)	333-117998, 333-121879, 333-146649, 333-140606, 333-149295, 333-156020
Nationwide VL Separate Account-A (811-6137)	033-44792, 033-44300, 033-35775, 333-27123, 333-22677
Nationwide VL Separate Account-B (811-07819)	333-12333
Nationwide VL Separate Account-C (811-8351)	333-43639, 333-36869

Nationwide VL Separate Account-D (811-08891)	333-59517
Nationwide VL Separate Account-G (811-21697)	333-121878, 333-140608, 333-146073, 333-146650, 333-149213, 333-155153, 333-156020
Nationwide Provident VA Separate Account 1 (811-7708)	333-164127; 333-164125; 333-164126; 333-164124
Nationwide Provident VLI Separate Account 1 (811-4460)	333-164180; 333-164117; 333-164178; 333-164179; 333-164119; 333-164120; 333-164115; 333-164118; 333-164116
Nationwide Provident VA Separate Account A (811-6484)	333-164131; 333-164130; 333-164132; 333-164129; 333-164128
Nationwide Provident VLI Separate Account A (811-8722)	333-164188; 333-164123; 333-164185; 333-164122; 333-164121

General Account Products

Insurance Company	1933 Act File Nos.
Nationwide Life Insurance Company	333-133163, 333-49112, 333-149613, 333-155368, 333-160418
Nationwide Life and Annuity Insurance Company	333-47640

hereby constitute and appoint Stephen S. Rasmussen, Kirt A. Walker, Peter A. Golato, John L. Carter, Eric S. Henderson, and Timothy D. Crawford, and each of them with power to act without the others, as his/her attorney, with full power of substitution for and in his/her name, place and stead, in any and all capacities, to approve, and sign such Registration Statements, and any and all amendments thereto, with power to affix the corporate seal of said corporation thereto and to attest said seal and to file the same, with all exhibits thereto and other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys, and each of them, full power and authority to do and perform all and every act and thing requisite to all intents and purposes as he/she might or could do in person, hereby ratifying and confirming that which said attorneys, or any of them, may lawfully do or cause to be done by virtue hereof.  This instrument may be executed in one or more counterparts.

IN WITNESS WHEREOF, the undersigned have herewith set their names as of this 27th day of January, 2012.

/s/ TIMOTHY G. FROMMEYER	/s/ PETER A. GOLATO
TIMOTHY G. FROMMEYER, Director	PETER A. GOLATO, Director
/s/ KIRT A. WALKER	/s/ MARK R. THRESHER
KIRT A. WALKER, Director	MARK R. THRESHER, Director
/s/ STEPHEN S. RASMUSSEN
STEPHEN S. RASMUSSEN, Director