The compensation provided for in Article L. 134-12 is not due in the following cases:
<1° Termination of the contract is caused by the gross misconduct of the commercial agent;
<2° Termination of the contract results from the agent's initiative unless such termination is justified by circumstances attributable to the principal or due to the age, infirmity or illness of the commercial agent, as a result of which the continuation of his activity can no longer reasonably be required ;
3° By agreement with the principal, the commercial agent assigns to a third party the rights and obligations he holds under the agency contract.