Notwithstanding any other provision to the contrary, the board of trustees shall pay the entire amount of the state annuity directly to the retired members of a local retirement fund whenever the managing board of the local retirement fund is not permitted by municipal charter or other local regulations to pay to retired teachers all or part of the state annuity in addition to the retirement income to which they are entitled from the local retirement fund.
T.C.A. § 8-35-313