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97 STAT. 72 PUBLIC LAW 98-21—APR. 20, 1983 42 use 418 note. (b) The amendment made by subsection (a) shall appjly to any 42 use 418. agreement in effect under section 218 of the Social Security Act on the date of the enactment of this Act, without regard to whether a notice of termination is in effect on such date, and to any agreement or modification thereof which may become effective under such section 218 after that date. PART B—COMPUTATION OF BENEFIT AMOUNTS SHIFT OF COST-OF-LIVING ADJUSTMENTS TO CALENDAR YEAR BASIS 42 use 415. SEC. 111. (a)(1) Section 215(iX2)(AXii) of the Social Security Act is amended by striking out "June" and inserting in lieu thereof "December'\ (2) Section 215(iX2)(A)(iii) of such Act is amended by striking out "May" and inserting in lieu thereof "November". (3) Section 215(iX2XB) of such Act is amended by striking out "May" each place it appears and inserting in lieu thereof in each instance "November". 42 use 403. (4) Section 203(f)(8)(A) of such Act is amended by striking out "June" and inserting in lieu thereof "December". 42 use 430. (5) Section 230(a) of such Act is amended by striking out "June" and inserting in lieu thereof "December". (6) Section 215(iX2) of such Act as in effect in December 1978, and as applied in certain cases under the provisions of such Act as in effect after December 1978, is amended by striking out "June" in subparagraph (AXii) and inserting in lieu thereof "December", and by striking out "May" each place it appears in subparagraph (B) and inserting in lieu thereof in each instance "November". 42 use 402. (7) Section 202(m) of such Act (as it applies in certain cases by 95 Stat. 1660. reason of section 2 of Public Law 97-123) is amended by striking out "May" and inserting in lieu thereof "November". 42 use 402 note. (8) The amendments made by this subsection shall apply with respect to cost-of-living increases determined under section 215(i) of the Social Security Act for years after 1982. (bXD Section 215(iXlXA) of the Social Security Act is amended by striking out "March 31" and inserting in lieu thereof "September 30", and by striking out "1974" and inserting in lieu thereof "1982". (2) Section 215(i)(l)(A) of such Act as in effect in December 1978, and as applied in certain cases under the provisions of such Act as in effect after December 1978, is amended by striking out "March 31" and inserting in lieu thereof "September 30" and by striking out "1974" and inserting in lieu thereof "1982". 42 use 415 note. (3) The amendments made by this subsection shall apply with respect to cost-of-living increases determined under section 215(i) of the Social Security Act for years after 1983. (c) Section 215(1X4) of such Act is amended by inserting ", and as amended by section 111 (aX6) and (bX2) of the Social Security Amendments of 1983," after "as in effect in December 1978" the first place it appears. 42 use 415 note. (d) Notwithstanding any provision to the contrary in section 215(i) of the Social Security Act, the "base quarter" (as defined in para- graph (l)(AXi) of such section) in the calendar year 1983 shall be a cost-of-living computation quarter" within the meaning of para- graph (1)(B) of such section (and shall be deemed to have been determined by the Secretary of Health and Human Services to be a "cost-of-living computation quarter" under paragraph (2)(A) of such