Also, wild camping in an American national park is hedged about with complex regulations.

Nowadays, with land scarce, and environmental regulations ever more complex, even a starter golf course can cost $20 million.

In attempting to control that problem, Washington has been forced to impose incomprehensibly complex regulations.

So why, then, do we have faith that overly complex regulations will prevent the next crisis?

Sir Humphrey is concerned that implementing such complex regulations will take a long time.

The state has complex regulations governing housing for the elderly.

"It's a serious attempt to clarify a very complex regulation."

There were complex regulations as to who was allowed these precedence levels.

This system was well developed by the eighteenth and nineteenth centuries, with complex regulations to control the use of the water.

A much more complex regulation is needed than this.