In our world we do have the magic to push a wheelchair around, and it’s not even hard to do this. Tinkerers can cast the spell of self-propelling wheelchair in their garages.
But magicing someone’s legs to work is still a far way off.
(Remember, when magic is well explained and documented, and people get used to it, they tend to call it technology.)
The legal requirement seems to be not to have one.
Stuff like that if people who have not a single clue about pregnancy make laws regarding pregnancy.