(or provision or feature thereof) which provides guaranteed benefits annually (or more frequently) for at least the remainder of the life of the participant or the joint lives of the participant and the participant’s designated beneficiary as part of an individual account plan. . 205. Modification of nondiscrimination rules to protect older, longer service participants (a) In general Section 401 of the Internal Revenue Code of 1986 is amended— (1) by redesignating subsection (o) as subsection (p)