The presence of a tree within the playing area required special local rules.

That requires rules and conditions, which, on the other hand, we want to keep to a necessary minimum.

Nevertheless, to learn how to be a father also requires rules obtained by social and cultural learning.

We have thought long and hard about the kind of general rule required, looking for the approach that can best deliver justice in our courts.

The agency decided in 1973 that the cost of fixing the problem would exceed $100 million and was too expensive to require new rules.

"This war required new rules," mutters the soldier at one point.

Given below is a list of some rules and syntax required when writing the manifest file.

When there, the family lived in the ancient style and observed the age-old ways, as the rules required.

New developments required new rules, and Mitch was going to set them.

Fourth, the Clause requires certain additional procedural rules in capital cases.