County Officers - As introduced, requires as a qualification for office that a constable be certified by a qualified healthcare provider as being free from any mental impairment that would affect the constable's ability to perform an essential function of the job with or without reasonable accommodation; requires a constable with law enforcement powers to successfully complete a training program that is equivalent to or superior to the training or continuing training required for a law enforcement officer under standards established by the peace officer standards and training commission. - Amends TCA Title 8, Chapter 10; Title 38 and Title 39.