Non-GMO Company runs a candy and fruit processing and packaging plant. Most of Non-GMO's business is done during the holiday seasons, especially between Halloween and New Year's Day, and in the spring. The company hires a large temporary workforce during its busiest times. Occasionally, a position opens for an individual with highly specialized skills, particularly to operate and maintain the company's inventory and sales control systems. Can Non-GMO hire non-citizens for its temporary, seasonal work? Can the company hire a non-citizen with special skills for certain jobs? If so, what procedures must the employer follow in both situations to hire?If not, how can Non-GMO be assured that it is hiring only citizens?