The issue focused on issues such as speed and regulations.

He said there were legal aspects to be considered.

"This legislation has been legislated for in law. This legislation was passed by the federal government. It's law that they've legislated it," he said.

Mr Law told Parliament's Legal and Constitutional Affairs Legislation Committee he did not think laws should be changed without proper consideration.

But Mr Justice Jackson agreed with him.

"It is important that legislative changes are