Effects of OASDI benefit increase, June 1977.

Socml security checks dellwred to benefiaanes m the first week of July 1977 reflected the thwd automatic cost-of-hvmg nxrease m cash benefits under legulatlon enacted m 1972 and 1973 The 5 Q-percent merease, which became effectwe m June, apphed to benefits for all persons on the social security benefit rolls at the end of May, except those recelvlng benefits under the “special mnunum” PIA provwax~ Automatic nxreases are mlhated whenever the Consumer Price Index (CPI) of the Bureau of Labor Stat&w for the first calendar quarter of a year exceeds by at least 3 percent the CPI for the base quarter, which 1s &her the first calendar quarter of the preceding year or the quarter III