Complex sentence: It deferred deportation of Chinese nationals and their direct dependents who were in the US between 5 June 1989 and 11 April 1990, waived the 2-year home country residency requirement, and gave them employment authorization through 1 January 1994.
Split into simpler sentences: It deferred deportation of Chinese nationals and their direct dependents who were in the US between 5 June 1989 and 11 April 1990. Furthermore, for these PRC nationals, the order waived the 2-year home country residency requirement, and gave them employment authorization through 1 January 1994.