This practice is rare though and only occurs in extreme circumstances.

One requirement is to show that the illegal practice occurred over an extended period of time.

In Canada this practice occurred during the 1890s, but was not commonplace until the 1920s.

Whether or not such practices occur in a given case, leaving college early can have a serious effect on a student-athlete's life and career.

The same practice occurred in cities and towns all over China.

The practice occurs in the rest of the region as well, and causes great conflict.

It is suggested that the practice occurred only on occasion.

While not common, such practice has occurred intermittently over the last two thousand years.

However, it is believed that this practice may still occur in remote areas of the island.

Does that practice still occur today, and has it ever happened to you?