As regards the WTO and the settling of disputes, which one of the following statements is incorrect?

a.

Before the first hearing, each side in the dispute presents its case in writing to the panel

b.

The Appellate Body may uphold, modify or reverse the factual findings and conclusions of the panel

c.

The WTO complaining member (or members), the WTO responding member, and those WTO members that have announced they have an interest in the dispute make their case at the panel's first hearing

d.

Where sanctions are permitted in response to a member's breach of its WTO obligations, their amount must be limited to the equivalent of the level of the nullification or impairment suffered

e.

A member found to have breached a WTO obligation may be permitted a reasonable period of time within which to implement its response to the finding