The initial allowance of updated service credit and increase in retirement annuities
hereunder shall be effective on January 1, 2002, subject to approval by the board
of trustees of the system. An allowance of updated service credits and an increase
in retirement annuities shall be made hereunder on January 1 of each subsequent year
until this division ceases to be in effect under V.T.C.A., Government Code § 853.404(e),
provided that, as to such subsequent year, the actuary for the system has made the
determination set forth in V.T.C.A., Government Code § 853.404(d) of the TMRS Act.