CFR › Title 33 › Part 20 › §20.70533 CFR §20.705Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe ALJ may enter a default under § 20.310 against a respondent threatening to fail, or having failed, to appear at a hearing unless,—(a)Before the time for the hearing, the respondent shows good cause why neither the respondent nor his or her representative can appear; or,(b)30 days or less after an order to show good cause, the respondent shows good cause for his or her failure to appear.