(2) be filed with the Minister in the manner determined by the Minister, on or before(a) the day on or before which the specified member must file a return under Chapter VIII for the reporting period of the specified member that includes the effective day, or, if it is earlier, the day on or before which the other member must file a return under Chapter VIII for the reporting period of the other member that includes the effective day, or
(b) any day after the day described in subparagraph a that the Minister may determine.