10QSB/A 1 q21107.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-QSB/A2 Quarterly Report Under Section 13 or 15(d) of The Securities Exchange Act of 1934 For the Quarter Ended: March 31, 2007 Commission file number: 000-29274 AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP (Exact Name of Small Business Issuer as Specified in its Charter) State of Minnesota 41-1789725 (State or other Jurisdiction of (I.R.S. Employer Incorporation or Organization) Identification No.) 30 East 7th Street, Suite 1300, St. Paul, Minnesota 55101 (Address of Principal Executive Offices) (651) 227-7333 (Issuer's telephone number) Not Applicable (Former name, former address and former fiscal year, if changed since last report) Check whether the issuer (1) filed all reports required to be filed by Section 13 or 15(d) of the Exchange Act during the past 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 is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes No [X] Transitional Small Business Disclosure Format: Yes No [X] ITEM 3. CONTROLS AND PROCEDURES. (a) Evaluation of disclosure controls and procedures Under the supervision and with the participation of management, including its President and Chief Financial Officer, the Managing General Partner of the Partnership evaluated the effectiveness of the design and operation of its disclosure controls and procedures (as defined in Rule 13a-14(c) under the Exchange Act). Based upon that evaluation, the President and Chief Financial Officer of the Managing General Partner concluded that, as of the end of the period covered by this report, the disclosure controls and procedures of the Partnership were effective in ensuring that information required to be disclosed by us in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in applicable rules and forms and that such information is accumulated and communicated to management, including the President and Chief Financial Officer of the Managing General Partner, in a manner that allows timely decisions regarding required disclosure. (b) Changes in internal controls There were no significant changes made in the Partnership's internal controls during the most recent period covered by this report that have materially affected, or are reasonably likely to materially affect, the Partnership's internal control over financial reporting. SIGNATURES In accordance with the requirements of the Exchange Act, the registrant caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Dated: January 7, 2008 AEI Income & Growth Fund XXI Limited Partnership By: AEI Fund Management XXI, Inc. Its: Managing General Partner By: /s/ Robert P Johnson Robert P. Johnson President (Principal Executive Officer) By: /s/ Patrick W Keene Patrick W. Keene Chief Financial Officer (Principal Accounting Officer)