What does this sign mean?

What does this sign mean?undefined
You can stop here at any time for less than five minutes
You can stop here at any time as long as a person remains with the car to move it
You can stop here at any time if you have a broken or fractured leg in a cast
You can stop here only if you have a mobility parking permit

This is a designated parking space for disabled individuals. Only vehicles displaying a "Disability Parking Permit" on the windshield are allowed to use this space. Other vehicles parked here will face heavy fines.