For purposes of this section and sections
402,
403, and
404, the term “annuity” includes a face-amount certificate, as defined in section 2(a)(15) of the Investment Company Act of 1940 (
15 U.S.C., sec.
80a–2); but does not include any contract or certificate issued after December 31, 1962, which is transferable, if any person other than the trustee of a trust described in section
401
(a) which is exempt from tax under section
501
(a) is the owner of such contract or certificate.