PHILADELPHIA (CBS) – One in five people in the United States has a disability.

The Americans with Disabilities Act (ADA), is supposed to prohibit discrimination against those with disabilities and ensure equal opportunity for those who are disabled. That law covers all disabilities, including what some people refer to as “hidden disabilities,” such as autism.

READ MORE: Jonathan Ramos, Brandon Moore Charged For Deadly 5-Car Crash On Tacony-Palmyra Bridge

Unfortunately, the United States Department of Justice receives numerous complaints each year from people claiming they’ve been discriminated against.

READ MORE: Wells Fargo Center Allowing Fans Back Sunday As Philadelphia Eases COVID-19 Events Restrictions

One Philadelphia area family with a disabled child says their daughter faced discrimination on a recent trip to Hershey, Pa.

MORE NEWS: Retired Chester Firefighter Robert Sanford Placed On House Arrest For Alleged Role In Capitol Riot

3 On Your Side’s Stephanie Stahl will share this little girl’s story, including what the family is doing to make sure it doesn’t happen to others, on Eyewitness News at 11 p.m. on Thursday.

Stephanie Stahl