Section 128.306 - How does a concern maintain its VOSB or SDVOSB certification?(a) Any Participant seeking to remain certified must recertify its eligibility every 3 years. There is no limitation on the number of times a business may recertify. Participants may recertify within 120 calendar days prior to the termination of their eligibility period. If the concern fails to recertify, SBA may decertify the firm at the end of their eligibility period.(b) The Participant must maintain its eligibility during its participation in the program and must inform SBA of any changes that may affect its eligibility within 30 calendar days in accordance with § 128.307 .(c) The Participant must respond to any program examination initiated by SBA to remain a certified VOSB or SDVOSB.(d) At the discretion of the Administrator (or designee), a Participant's eligibility period may be extended by a period of up to one year.