“Sailors with 10 or more years of service as of July 1 will be grandfathered, allowing them to remain on active duty to reach retirement eligibility.”

“When a proposed new rule is controversial, the states may grandfather the rule, which is to permit existing programs to waive it.”

“Major League Baseball required all teams to retire the number in 1997, but players who were already wearing 42 at the time were grandfathered.”

“The Herbert Hoover library was grandfathered into the system by the Libraries Act.”

“Independent of the new law, companies were anyway going to abandon many of those grandfathered plans to take up less generous ones.”