Communications with claimants are made by ordinary letter, with the exception of the notice of receipt provided for in article R. 532-9, the order closing the investigation provided for in article R. 532-21, the information provided for in article R. 532-26, the notice of hearing provided for in article R. 532-32 and of the decision itself, notified by registered letter with acknowledgement of receipt.
Without prejudice to the provisions of the first paragraph of article R. 532-16, the information provided for in article R. 532-26 is sent to the applicant by registered letter with acknowledgement of receipt.