All places of employment are covered by Indiana's smoking laws.
Smoking is prohibited in all places of employment in Indiana.
Indiana does not require employers to create designated smoking areas or provide other accommodations for smokers in the workplace.
Indiana doesn’t specifically require employers to provide workplace accommodations for nonsmoker employees.
Indiana employers must inform employees that smoking is prohibited.
An employer may not require prospective employee to refrain from using tobacco products outside of work in order to be hired or discriminate against employee who uses them in terms of wages, benefits, or conditions of employment.
If you want to go right to the source and look up Indiana law on workplace smoking laws -- or if you're writing a letter to your employer or employee and want to cite the applicable law -- the relevant statute(s) can be found at Ind. Code Ann. Sections 22-5-4-1 and 7.1-5-12-4.. Workplace smoking information is also available in Nolo's books Your Rights in the Workplace, by Barbara Repa (Nolo) and The Employer's Legal Handbook, by Fred Steingold (Nolo).