UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/A

(Amendment  No. 1)

For the quarterly period ended June 30, 2013

OR

For the transition period from ________ to ___________

Commission file number: 0-26048

WNC HOUSING TAX CREDIT FUND IV, L.P., SERIES 1

(714) 662-5565

(Telephone number)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes [X] No [  ]

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes [X] No [  ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer [  ] Accelerated filer [  ] Non-accelerated filer [X] Smaller reporting company [  ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes [  ] No [X]

WNC HOUSING TAX CREDIT FUND IV, L.P., SERIES 1

(A California Limited Partnership)

EXPLANATORY NOTE

WNC Housing Tax Credit Fund IV, L.P., Series 1 (the “Company”) is filing this Amendment No. 1 (this “Amendment No. 1”) to its Quarterly Report on Form 10-Q for the quarter ended June 30, 2013 (the “Form 10-Q”), originally filed with the Securities and Exchange Commission on August 14, 2013, for the sole purpose of furnishing the Interactive Data File with detailed note tagging as Exhibit 101 to the Form 10-Q in accordance with Rule 405 of Regulation S-T. Exhibit 101 provides the financial statements and related notes in the Form 10-Q formatted in XBRL (eXtensible Business Reporting Language).

No other changes have been made to the Company’s Form 10-Q. This Amendment No. 1 to the Form 10-Q speaks as of the original filing date of the Form 10-Q, does not reflect events that may have occurred subsequent to the original filing date and does not modify or update in any way disclosures made in the original Form 10-Q.

Pursuant to Rule 406T of Regulation S-T, the interactive data files on Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.

EXHIBIT INDEX

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

WNC HOUSING TAX CREDIT FUND IV, L.P., SERIES 1

By: WNC Tax Credit Partners IV, L.P. General Partner

By: WNC & ASSOCIATES, INC.        General Partner of WNC Tax Credit Partners IV, L.P.

Date: August 19, 2013

Date: August 19, 2013