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.
These can be state, local or federal contracts and some may be grandfathered in by other entities (i.e. California's MAS Multiple Award Schedule will recognize the federal government contract holder's prices on a General Services Administration Schedule).
Carl Pope, executive director of the Sierra Club, supports a carbon tax over cap-and-trade because employers will know exactly what they paid for the carbon dioxide they produced, and because a cap-and-trade system (with grandfathered permits) rewards those who have the highest emissions now and have done the least to reduce them previously.
This effort was supported by Texas Governor Rick Perry who put the proposed plants on a "fast track" process for permits in an effort to be grandfathered in under more lenient EPA pollution rules.
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.
In the U.S., the BATF made a ruling in 1982 that semi-automatic open-bolt weapons are readily convertible to fully automatic fire, therefore such weapons manufactured after the date of this ruling are classed and controlled as fully automatic weapons (weapons manufactured prior to the ruling are grandfathered and are still considered semi-automatic).
William Colgate (January 25, 1783 – March 25, 1857) of New York City, founder and president of William Colgate & Company (org. 1806) and a major donor to the American Baptist Seminary of New York City, was grandfathered into the Triennial Convention.
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.