of this paragraph, the term affiliate has the meaning given in subsection (g)(11)(B). . (b) Effective date The amendments made by subsection (a) shall take effect on the date of the enactment of this Act and shall apply with respect to communications provided or recommendations made on or after 2 years after such date. (c) Grandfathered transactions and services The amendments made by subsection (a) shall not apply to any service or transaction rendered, entered into, or for which a person has been compensated prior to the date on which the amendments become effective under subsection (b). (d) Transition Until such time as regulations or other guidance are issued to carry out the amendments made by subsection (a), a plan or a fiduciary shall be treated as meeting the requirements of such amendments if the plan or fiduciary, as the case may be, complies with a reasonable good faith interpretation of such amendments.