335. An election under section 334 relating to supplies made between a specified member of a closely related group and a corporation shall be made in prescribed form containing prescribed information and be filed by the member with and as prescribed by the Minister(1) on or before the day on or before which a return under Chapter VIII for the first reporting period in a calendar year of the member is required to be filed; or
(2) where the member or the corporation became a member of the group at any time during a reporting period in a calendar year of the member, on or before the first day on or before which a return for that period is required under Chapter VIII to be filed by the member or the corporation.