The Department may by order provide for any provision of paragraphs 1 to 9 to come into operation for a period of time to be specified in or under the order for the purpose of assessing the effectiveness of the provision.

Such an order may make different provision for different areas.

More than one order may be made under this paragraph.

Provision included in an order under this paragraph does not affect the provision that may be included in relation to paragraphs 1 to 9 in an order under section 106.