; (II) begins employment by the later of the date that is— (aa) 90 days after receiving such waiver; (bb) 90 days after completing graduate medical education or training under a program approved pursuant to section 212(j)(1); or (cc) 90 days after receiving nonimmigrant status or employment authorization, if the alien or the alien’s employer petitions for such nonimmigrant status or employment authorization not later than 90 days after the date on which the alien completes his or her graduate medical education or training under a program approved pursuant to section 212(j)(1); and (III) agrees to continue to work for a total of not less than 3 years in the status authorized for such employment under this subsection unless— (aa) the Secretary of Homeland Security determines that extenuating circumstances, including violations by the employer of the employment agreement with the alien or of labor and employment laws, exist that justify a lesser period of employment at such facility or organization, in which case the alien shall demonstrate, not later than 90 days after the employment termination date (unless the Secretary determines that extenuating circumstances would justify an extension), another bona fide offer of employment at a health facility or health care organization in a geographic area or areas which are designated by the Secretary of Health and Human Services as having a shortage of health care professionals, for the remainder of such 3-year period