[Code of Federal Regulations] [Title 13, Volume 1] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 13CFR126.303] [Page 420] TITLE 13--BUSINESS CREDIT AND ASSISTANCE CHAPTER I--SMALL BUSINESS ADMINISTRATION PART 126--HUBZONE PROGRAM--Table of Contents Subpart C--Certification Sec. 126.303 Where must a concern file its certification? The concern must file its certification with the AA/HUB, U.S. Small Business Administration, 409 Third Street, SW, Washington, DC 20416.