Without prejudice to Article R. 351-24, the following classifications are applied for the purposes of this section:
1° The surplus funds referred to in Article R. 351-21 are classified in level 1 ;
2° Letters of credit and guarantees held in trust by an independent trustee for the benefit of insurance creditors and provided by credit institutions are classified in level 2;
3° Any future claims that mutual insurers or unions governed by Book II of the Mutual Code or variable-contribution mutual insurance companies of shipowners, which insure only risks classified under classes 6, 12 and 17 mentioned in Article R. 321-1 or under class 17 mentioned in Article R. 211-2 of the Mutual Code, may have on their members by way of contribution reminders during the next twelve months, are classified in level 2.
In accordance with the second paragraph of II of Article R. 351-23, any future claim that variable-contribution mutual insurers or unions governed by Book II of the Mutual Code or variable-contribution mutual insurance companies may hold on their members by way of a reminder of contributions during the next twelve months and which is not covered by 3°, is classified in level 2 when it in fact presents the characteristics mentioned in a and b of I of Article R. 351-22, taking into account the factors mentioned in II of this article.