435. An election made under section 434 ceases to have effect on the earlier of(1) the first day of the reporting period of the registrant in which he ceases to be a prescribed registrant or a member of a prescribed class of registrants; and
(2) where, on or before the day on or before which a return for a reporting period of the registrant is required under this chapter to be filed, the registrant files, with the return for the period, a notice of revocation of the election in prescribed form containing prescribed information, the last day of that reporting period.
A notice of revocation under subparagraph 2 of the first paragraph shall not be filed with a return for a reporting period of the registrant that ends earlier than one year after the election became effective.