Section 891.455 - Presumption of employment-connected disease; cancer(1) In this section, "state, county, or municipal fire fighter" means a fire fighter who is covered under s. 891.45 and any person under s. 60.553, 61.66, or 62.13(2e) whose duties as a fire fighter during the 10-year qualifying period specified in sub. (2) took up at least two-thirds of his or her working hours.(2) In any proceeding involving an application by a state, county, or municipal fire fighter or his or her beneficiary for disability or death benefits under s. 40.65(2) or any pension or retirement system applicable to fire fighters, where at the time of death or filing of application for disability benefits the deceased or disabled fire fighter had served a total of 10 years as a state, county, or municipal fire fighter and a qualifying medical examination given prior to the time of his or her becoming a state, county, or municipal fire fighter showed no evidence of cancer, and where the disability or death is found to be caused by cancer, such finding shall be presumptive evidence that the cancer was caused by such employment.(3) The presumption under sub. (2) shall only apply to cancers affecting the skin, breasts, central nervous system or lymphatic, digestive, hematological, urinary, skeletal, oral or reproductive systems.(4) The presumption under sub. (2) for cancers caused by smoking or tobacco product use shall not apply to any municipal fire fighter who smokes cigarettes, as defined in s. 139.30(1m), or who uses a tobacco product, as defined in s. 139.75(12), after January 1, 2001.1997 a. 173; 1999 a. 9; 2001 a. 16; 2005 a. 25; 2011 a. 32.