Simplifying Technical Aspects Regarding Seasonality Act of 2015 or the STARS Act

Amends the Internal Revenue Code to exempt seasonal employees from the definition of "full-time employee" for purposes of the employer mandate under the Patient Protection and Affordable Care Act to provide employees with minimum essential health care coverage. Defines "seasonal employee" as an employee who is employed in a position for which the customary annual employment is not more than six months and which requires performing labor or services that are ordinarily performed at certain seasons or periods of the year.