To enable insurance undertakings that are party to a co-insurance transaction to benefit from the exemption provided for in article L. 321-12, the transaction must meet the following criteria:
1° The risk is covered by a single contract at a single premium for the same term;
2° The insurers are not jointly and severally liable;
3° One of the insurers is designated as the lead insurer: the lead insurer must fully assume its management role, in particular that of determining the terms and conditions of insurance and pricing.