I. – The draft outline plan is adopted by the Regional Council. It is submitted for opinion:
1° To the persons and bodies provided for in 3° to 6° of I of Article L. 4251-5 and to the regional economic, social and environmental council;
2° To the environmental authority;
3° To the territorial conference on public action.
The opinion is deemed to be favourable if it has not been given within three months of the draft outline plan being sent.
II. – The draft outline plan is subject to a public enquiry by the President of the Regional Council, under the conditions set out in Chapter III of Title II of Book I of the Environment Code.
After the public enquiry, the plan may be amended to take account of the opinions received, the comments made by the public and the conclusions of the enquiry commission.