Amends the definition of 'eligible employee' and related subparagraphs: replaces the 12-month/1,250-hours requirement with a 90-day employment requirement for 29 U.S.C. 2611(2)(A); strikes subparagraphs (C) and (D) and redesignates subparagraph (E) as (C).

Strikes paragraph (5) of 29 U.S.C. 2612(a) (the provision concerning calculation of leave for airline flight crews).

Replaces the eligibility requirement in 2 U.S.C. 1312(a)(2)(B) from '12 months and for at least 1,250 hours of employment during the previous 12 months' to 'at least 90 days.'

Replaces the eligibility requirement in 3 U.S.C. 412(a)(2)(B) from '12 months and for at least 1,250 hours of employment during the previous 12 months' to 'at least 90 days.'

In 5 U.S.C. 6381(1)(B), replaces the phrase 'at least 12 months of service' with 'at least 90 days of service.'

In 5 U.S.C. 6382(d)(2)(E), replaces the phrase 'at least 12 months of service' with 'at least 90 days of service.'