Right to delay commencement.
(5) Right to delay commencement. If a participant or beneficiary requests a distribution in an optional form of benefit that includes a prohibited payment that is not permitted to be paid under paragraph (d)(1), (d)(2), or (d)(3) of this section, the participant retains the right to delay commencement of benefits in accordance with the terms of the plan and applicable qualification requirements (such as sections 411(a)(11) and 401(a)(9)).