; (4) be consistent with and implement applicable accounting principles; (5) be implemented in a manner that is cost-effective and improves program efficiency and effectiveness; and (6) be capable of being continually upgraded as necessary. (c) Rule of construction Nothing in this subsection shall be construed to require a change to existing data exchange standards found to be effective and efficient. . (b) Effective date Not later than the date that is 24 months after the date of the enactment of this section, the Secretary of Health and Human Services shall issue a proposed rule that— (1) identifies federally required data exchanges, includes specification and timing of exchanges to be standardized, and addresses the factors used in determining whether and when to standardize data exchanges; and (2) specifies State implementation options and describes future milestones. 502. Technical corrections to State requirement to address the developmental needs of young children Section 422(b)(18) of the Social Security Act ( 42 U.S.C. 622(b)(18) ) is amended by striking such children and inserting all vulnerable children under 5 years of age . VI Ensuring States reinvest savings resulting from increase in adoption assistance 601. Delay of adoption assistance phase-in Section 473(e)(1) of the Social Security Act ( 42 U.S.C. 673(e)(1) ) is amended— (1) in subparagraph (A), by striking fiscal year each place it appears and inserting period ; and (2) in subparagraph (B)— (A) in the matter preceding the table, by striking fiscal year and inserting period ; and (B) in the table— (i) by striking of fiscal year: and inserting of: ; (ii) by striking 2010 and inserting Fiscal year 2010 ; (iii) by striking 2011 and inserting Fiscal year 2011 ; (iv) by striking 2012 and inserting Fiscal year 2012 ; (v) by striking 2013 and inserting Fiscal year 2013 ; (vi) by striking 2014 and inserting Fiscal year 2014 ; (vii) by striking 2015 and inserting Fiscal year 2015