Va. Code Ann. § 51.1-166
B. The amounts of the post-retirement supplements shall be determined as percentages of the allowances supplemented hereby. The percentages shall be determined annually by reference to the increase in the United States Average Consumer Price Index for all items, all urban consumers (CPI-U), as published by the Bureau of Labor Statistics of the United States Department of Labor. The percentages shall be based on monthly averages and shall be the difference between (i) the average for the calendar year just ended and (ii) the average for the most recent calendar year used in the determination of the post-retirement supplements currently being paid. The annual increase, if any, in the CPI-U shall be considered only to the extent of the first two percent plus one-half of the next two percent of any additional increase, or a maximum increase in the post-retirement supplement of three percent in any given year. However, for anyone who (a) is not a person who becomes a member on or after July 1, 2010, and (b) has at least 60 months of creditable service as of January 1, 2013, the applicable annual increase, if any, in the CPI-U shall be considered only to the extent of the first three percent plus one-half of the next four percent of any additional increase, or a maximum increase in the post-retirement supplement of five percent in any given year. If the difference in the percentages determined above is zero or less, the post-retirement supplements shall either not commence or shall continue unchanged until such time as an annual determination results in a difference in the percentages that are greater than zero. A participant in the hybrid retirement program described in § 51.1-169 shall be considered to be a person who becomes a member on or after July 1, 2010, for the purposes of this section.
Contribution rates for all employers shall include an amount equal to 100 percent of the total annual amount necessary to fund all post-retirement supplements. All contribution rates shall be computed in accordance with recognized actuarial principles on the basis of methods and assumptions approved by the Board.
D.
1970, c. 476, § 51-111.60:1; 1977, c. 620; 1980, c. 163; 1982, c. 467; 1987, cc. 13, 14; 1990, c. 832; 1991, c. 719; 1996, c. 1030; 2010, cc. 737, 738, 752; 2012, cc. 701, 823; 2013, c. 463; 2014, c. 356.