authorized employment, the alien shall be required to depart the United States as described in paragraph (1)(B). (o) Abandonment of employment (1) Report by employer Not later than 72 hours after an employer learns of the abandonment of employment by H–2C workers before the conclusion of their work contracts, the employer shall notify the Secretary of Agriculture and the Secretary of Homeland Security of such abandonment. (2) Replacement of aliens An employer may designate eligible aliens to replace H–2C workers who abandon employment notwithstanding the numerical limitation found in section 214(g)(1)(C). (p) Change to H–2C status (1) Waiver In the case of an alien described in paragraph (2), the Secretary of Homeland Security shall waive the grounds of inadmissibility under paragraphs (5)(A), (6)(A), (6)(C), (7), (9)(B), and (9)(C) of section 212(a), and the grounds of deportability under paragraphs (1)(A) (with respect to the grounds of inadmissibility waived under this paragraph), (1)(B), (1)(C), (3)(A), and (3)(C) of section 237(a), with respect to conduct that occurred prior to the alien first receiving status as an H–2C worker, solely in order to provide the alien with such status. (2) Alien described An alien described in this paragraph is an alien who— (A) was unlawfully present in the United States on July 11, 2018