22 C.F.R. § 40.91 Certain aliens previously removed.
(a) 5-year bar. An alien who has been found inadmissible, whether as a result of a summary determination of inadmissibility at the port of entry under INA 235(b)(1) or of a finding of inadmissibility resulting from proceedings under INA 240 initiated upon the alien's arrival in the United States, shall be ineligible for a visa under INA 212(a)(9)(A)(i) for 5 years following such alien's first removal from the United States.
(b) 10-year bar. An alien who has otherwise been removed from the United States under any provision of law, or who departed while an order of removal was in effect, is ineligible for a visa under INA 212(a)(9)(A)(ii) for 10 years following such removal or departure from the United States.
(c) 20-year bar. An alien who has been removed from the United States two or more times shall be ineligible for a visa under INA 212(a)(9)(A)(i) or INA 212(a)(9)(A)(ii), as appropriate, for 20 years following the most recent such removal or departure.
(d) Permanent bar. If an alien who has been removed has also been convicted of an aggravated felony, the alien is permanently ineligible for a visa under INA 212(a)(9)(A)(i) or 212(a)(9)(A)(ii), as appropriate.
(e) Exceptions. An alien shall not be ineligible for a visa under INA 212(a)(9)(A)(i) or (ii) if the Secretary of Homeland Security has consented to the alien's application for admission.