If, at the end of the period provided for in the last paragraph of Article R. 1142-63-30, the persons considered liable by the College or their insurers have not made an offer of compensation to the claimant, or if they have explicitly refused to make an offer, or if the claimant considers that the offer made to him is manifestly insufficient in the light of the opinion issued by the College, the claimant may send the Office, by registered letter with acknowledgement of receipt, a request to obtain compensation from them.
The period of one month within which the Office must make the claimant an offer in substitution of the liable party or parties or their insurers runs from the date of receipt of the request for substitution by the Office.