In the event of legal separation by mutual consent, and where a minor applies to be heard by the judge, the application for conversion to divorce by mutual consent based on article 230 of the Civil Code shall contain, on pain of inadmissibility, the particulars required by article 1090, an indication of the decision that pronounced the legal separation, and is accompanied by an agreement on the consequences of the divorce. Under the same sanction, the petition and the agreement are dated and signed by each of the spouses and their lawyer.