On March 30th, all business pages will be required convert to the new Timeline view and we couldn't be more excited about it! Since Timeline is required, we will only be supporting the new layout before the cut of date.
If you haven't converted your Page to the new timeline view, there's no sense of waiting. You can enjoy all the benefits of the new layout now by logging into your Facebook page and enabling the preview:
Once your Timeline is configured, click the publish button: