To be a qualified employee under the PWFA, the worker must be able to perform all of the job's essential functions, either now or in the near future. The PWFA regulations defining “essential functions“ adopt the language used in the EEOC's ADA regulations. Thus, essential functions are fundamental job duties, not the marginal functions of the job. For example, essential functions of a cashier are to take payments, make change, and bag customer purchases. A marginal function might be to shovel the sidewalk outside the store entrance after a snowfall. All employment decisions must be based on a person's present ability to do essential job functions, not on speculation about future capability. Maintaining human resources compliance throughout this assessment is a key duty for an HR Generalist. The first considerations in evaluating whether a function is essential are: 
In making the determination, EEOC and the courts will look at the following evidence, which often involves labor law interpretations:
Note: This is an excerpt from our Pregnant Workers Fairness Act Training & Certification Program.
Recommended Online Training Courses
Recommended In-Person Seminars