Which of the following is NOT a requirement for practice as a nail technician in Minnesota?

To practice as a nail technician in Minnesota, it is essential to meet specific requirements set by state law, which include completing a training program, obtaining a high school diploma or its equivalent, and passing a practical skills examination.

The requirement for a four-year college degree is not included in the qualifications necessary for nail technicians. The focus of the profession is more aligned with technical skills and training specific to nail care rather than requiring a comprehensive academic degree. Thus, a four-year college degree is not mandated for practicing as a nail technician in Minnesota, making it the correct answer to the question regarding what is NOT a requirement.