Lafleur remained one of the few players that did not wear protective helmets due to the Grandfather clause.
MacTavish had been grandfathered under the old rule requiring them to be worn because he had signed a pro contract before the rule was established on 1 June, 1979.
Grandfather clause, an exemption that allows a pre-existing condition to continue, even if such a condition is now prohibited from being begun anew
While designation as a wilderness area in the United States generally requires the prohibition of any motorized machinery, the use of jetboats (On the Main Fork of the Salmon River) and several airstrips are permitted in this wilderness as grandfathered existing uses before the wilderness was designated.
Zones I and I-A have the most "grandfathered" overpowered stations, which are allowed the same extended coverage areas that they had before the zones were established.
While teams are being encouraged to switch to the new car, those not wanting to do so are being grandfathered in the series.
For many years they enjoyed a grandfathered license which allowed them to transmit with an effective radiated power of 160,000 watts but with an antenna center of radiation under sixty meters (200 feet) height above average terrain.
Establishment Clause | Grandfather clause | Commerce Clause | My Grandfather's Clock | Supremacy Clause | Due Process Clause | The Santa Clause | Hell or high water clause | William Digges' grandfather, Sir Dudley Digges | The Vicinage Clause may allow the commission of the "perfect crime | Non-compete clause | Necessary and Proper Clause | Lines From My Grandfather's Forehead | Horn clause | grandfather clause | Full Faith and Credit Clause | Establishment clause | establishment clause | Entrenched clause | Elizabeth Trussell's grandfather, Sir John Donne | due process clause | commerce clause | Collective action clause | Choice of law clause |
Stacey also fought against and helped defeat an attempt to rezone the entire northern half of Bath Township into a de facto business district by grandfathering in existing non-conforming business operations.
United States Supreme Court decisions in the late nineteenth century interpreted the amendment narrowly, and by 1910, most black voters in the South faced obstacles such as poll taxes and literacy tests, from which white voters were exempted by grandfather clauses.