§ 207-kkk. Disabilities of firefighters in certain cities caused by
Parkinson's Disease. Notwithstanding any other provisions of this
chapter to the contrary, any condition of impairment of health caused by
Parkinson's Disease resulting in total or partial disability or death to
a paid member of a fire department in a city with a population of one
million or more, or any retired member of such department who has been
retired for two or less years, who successfully passed a physical
examination on entry into the service of such department, which
examination failed to reveal any evidence of such condition, shall be
presumptive evidence that it was incurred in the performance and
discharge of duty unless the contrary be proved by competent evidence.