I.-In undertakings or establishments usually employing at least fifty employees, the employer shall convene and consult the social and economic committee on :
1° The planned operation and its terms and conditions, in accordance with article L. 2323-31 ;
2° The proposed mass redundancies: the number of job losses, the professional categories concerned, the criteria for ordering and the provisional timetable for redundancies, the accompanying social measures provided for in the job protection plan and, where applicable, the consequences of the proposed redundancies in terms of health, safety or working conditions.
The elements mentioned in 2° of this I which are the subject of the agreement mentioned in article L. 1233-24-1 are not subject to the consultation of the social and economic committee provided for in this article.
The social and economic committee holds at least two meetings at least fifteen days apart.
II – The social and economic committee delivers its two opinions within a period that may not exceed, from the date of its first meeting during which it is consulted on 1° and 2° of I, :
1° Two months when the number of redundancies is less than one hundred ;
2° Three months when the number of redundancies is at least one hundred and less than two hundred and fifty;
3° Four months when the number of redundancies is at least equal to two hundred and fifty.
A collective labour agreement may provide for different time limits.
In the absence of an opinion from the Social and Economic Committee within these time limits, it is deemed to have been consulted.