Except in the cases provided for in the third paragraph of article R. 814-99, the professional non-trading company is dissolved ipso jure by notification to the company of the simultaneous requests for withdrawal made by the partners pursuant to the article 21 of law no. 66-879 of 29 November 1966 or, in the event of successive applications, by the last of them, without the shares of the other members having been transferred to third parties by that date.