The process for reporting a special rule is a mixture of House rules, committee rules, and long-established practice.
They are schools that have quite openly continued to follow a long-established practice because they were unaware that the law had changed.
The detention of enemy aliens, especially enemy soldiers, during wartime is a long-established practice.
The permanent replacement of strikers, although declared legal by a 1938 court decision, is anything but a "long-established practice."
"Some long-established practices in conventional film making are simply not available in the dome venue."
Even the harshest slave owners adhered to a long-established practice of selling slaves along with their families, taking care not to separate individuals.
The placing of rewards on the heads of criminals who had fled the colony was a long-established practice.
However, we must pay due regard to long-established practices in an industry that has been largely self-regulating in many countries.
Wine is part of Europe and we must maintain its traditions and thus also long-established oenological practices.