In addition to the grounds for revocation provided for in Articles L. 714-5 and L. 714-6, the owner of the guarantee mark shall be declared to have forfeited his rights on the following grounds:
1° The proprietor no longer satisfies the conditions of article L. 715-2;
2° The proprietor has failed to take reasonable steps to prevent use of the trade mark that is not compatible with the regulations governing its use;
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3° As a result of use by authorised persons, the mark has become liable to mislead the public within the meaning of the second paragraph of Article L. 715-4;
4° An amendment to the regulations governing use has rendered them non-compliant with the conditions laid down in Articles L. 715-1 and L. 715-2 or contrary to public policy.