There are some additional rules to stop abuse of the scheme.

The person in the center square may call additional rules, which can vary to an enormous extent.

In certain countries, such as the Philippines, additional special rules have been adopted.

Then later, additional rules were adopted to increase the complexity.

When the report is complete, he said, the board will consider adopting additional rules governing the industry.

It applies to all five of the tax benefits, although each has some additional rules.

For some specialized products or services, additional rules may apply.

There is no additional rule governing when you must enter your king.

The provinces set additional rules governing who can get married.

These additional rules make the game even more interesting.