Section 402 - Incompatible offices(a) No elected county officer or, in counties of the third through eighth class, county solicitor , if the county solicitor is an individual, shall, at the same time, serve as a member of the legislative body of any municipal corporation nor as school director of any school district, nor as a member of any board of health.(a.1) Except as otherwise authorized by law, no elected county officer or county solicitor, if the county solicitor is an individual, of a county of the third through eighth class shall, at the same time, serve as treasurer or tax collector of any municipal corporation.(b) No member of Congress from this State, nor any person holding or exercising any office or appointment of trust or profit under the United States, shall, at the same time, hold or exercise any county office in this State to which a salary, fee or perquisites are attached. This section shall not apply to members of the National Guard or other reserve component of the armed forces not called into active duty. Amended by P.L. TBD 2018 No. 154, § 8, eff. 12/24/2018.1955, Aug. 9, P.L. 323, § 402. Amended 1963, June 19, P.L. 150, § 1; 1978, Oct. 4, P.L. 964, No. 190, § 1 effective in 60 days.