400 Howard Street
San Francisco, CA 94105
Tel +1 415 670 7987
Fax +1 415 618 5462
July 23, 2013
Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
|RE:||iShares U.S. ETF Trust (the Registrant)|
|Securities Act File No. 333-179904|
|Investment Company Act File No. 811-22649|
Ladies and Gentlemen:
On behalf of the Registrant and pursuant to Rule 497 under the Securities Act of 1933, as amended, attached for filing are exhibits containing interactive data format risk/return summary information that mirrors the risk/return summary information in the 497 filing, dated July 1, 2013 to the prospectuses for the iShares Enhanced U.S. Large-Cap ETF and iShares Enhanced U.S. Small-Cap ETF. The purpose of this filing is to submit the 497 dated July 1, 2013 in XBRL.
If you have any questions regarding this filing, please contact Benjamin Haskin of Willkie Farr & Gallagher LLP at (202) 303-1124 or me at (415) 670-7987.
Very truly yours,
cc: Benjamin Haskin, Esq.
|Registrant Name||dei_EntityRegistrantName||iShares U.S. ETF Trust|
|Prospectus Date||rr_ProspectusDate||Jul. 01, 2013|
|Document Creation Date||dei_DocumentCreationDate||Jul. 01, 2013|
The date the document was made available and submitted, in CCYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.
No definition available.
The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.
Reference 1: http://www.xbrl.org/2003/role/presentationRef