Almost all competitive events have well-established rules and regulations to prevent abuse of animals and to encourage ethical behavior.

Consequently, any intention to change such a well-established rule must emanate from the Legislature.

"The question is," he said, "how well-established a rule could it be if it was only published twice in almost 100 years?"

They have learned that even well-established rules no longer carry that much weight or importance with the authorities in the new atmosphere.

Moreover, it is a well-established rule that Congress is presumed not to have intended absurd results.

These organisations have a formal structure, and operate by well-established rules and procedures.

"Unless there is a well-established rule of law those situations are ripe for abuses."

In determining whether or not conduct is objectively reasonable, the courts apply certain well-established rules of thumb.

A well-established rule is that, unlike comets, minor planets may not be named after their discoverer(s).

What we are observing is a late stage in the recession of formerly well-established rules.