(a) In any town in which there is a burial ground or cemetery containing more than six places of interment that has been neglected and allowed to grow up to weeds, briars and bushes, or about which the fences have become broken, decayed or dilapidated, the selectmen of such town may cause such burial ground or cemetery to be cleared of weeds, briars and bushes, may mow the ground's lawn areas and may cause its fences or walls to be repaired and kept in orderly and decent condition and its memorial stones to be straightened, repaired and restored.
(b) No municipality or employee, officer or agent of a municipality shall be civilly or criminally liable for undertaking the care and maintenance of a burial ground or cemetery, as described in subsection (a) of this section.