CFR › Title 13 › Part 134 › §134.110413 CFR §134.1104Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)A concern whose application for VOSB or SDVOSB certification has been denied or whose status has been decertified must file its appeal within 45 business days of receipt of the denial or decertification.(b)The rule for counting days is in § 134.202(d).(c)OHA will dismiss an untimely appeal.