grandfather clause

Any policy or rule that exempts a group of individuals, organizations, or drugs from meeting new standards or regulations—e.g., when a new subspecialty board in internal medicine is created, the physicians practising in that area may be ‘grandfathered’ into the subspecialty and not required to meet residency or other educational requirements

Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

grandfather clause

Any policy or rule that exempts a group of individuals, organizations, or drugs, from meeting new standards or regulations; eg when a new subspecialty board in internal medicine is created, the physicians practicing in that area may be 'grandfathered' into the subspecialty and not required to meet residency or other educational requirements

McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.