(2) in a direct trustee-to-trustee transfer, to a qualified trust or an annuity contract described in Section 403(b) of the Internal Revenue Code of 1986, as amended, and such trust or contract provides for separate accounting for amounts so transferred (and earnings thereon), including separately accounting for the portion of such distribution which is includable in gross income and the portion of such distribution which is not so includable. Effective for distributions after December 31, 2007, such after tax portion may also be directly transferred to a Roth individual retirement account or annuity described in Section 408A of the Internal Revenue Code of 1986, as amended, (Roth IRA), subject to any limitations described in Section 408A(c) of the Internal Revenue Code of 1986, as amended;