A concern seeking certification as a HUBZone SBC must submit either an electronic application to SBA via https://eweb1.sba.gov/hubzone/internet/ or a written application to the D/HUB, U.S. Small Business Administration, 409 3rd Street, SW., Washington, DC 20416. Certification pages must be validated electronically or signed by a person authorized to represent the concern. [69 FR 29423, May 24, 2004]