[7. When the Commission has fully considered the matter, but in any event not later than twelve months after having been seized of the matter, it shall submit to the Chairman of the Committee a report for communication to the States Parties concerned:] (d) If the Commission's report is submitted under subparagraph (c), the States Parties concerned shall, within three months of the receipt of the report, notify the Chairman of the Committee whether or not they accept the contents of the report of the Commission.