Social Security benefits (a) In general Section 215(i) of the Social Security Act ( 42 U.S.C. 415(i) ) is amended— (1) in paragraph (1)(G), by inserting before the period the following: , and, with respect to any monthly insurance benefit payable under this title, effective for adjustments under this subsection to the primary insurance amount on which such benefit is based (or to any such benefit under section 227 or 228), the applicable Consumer Price Index shall be deemed to be the Consumer Price Index for Elderly Consumers and such primary insurance amount shall be deemed adjusted under this subsection using such Index