hi Vannie
Sorry you have this to deal with as well, i know Nothing about your system over there so i am no help But i know here in Australia they Cannot hassel you if you have a disabiity especilly if you are doing your job,
However i have known of cases where they either move the person to an area they hate or simply make life so bad they Quit.
i know before i was diagnosed RA i hurt my back when nursing and i was rather naive and did as i was told (not Now lol) But i was hurt and wanted to go to Doctor they made me sign a form before i could go - it was to let them off hook,
Also when the doctor gave me weeks off they did not put in the paperwork to the workers compensation and i got no wages when i asked they said either return to full time work or Quit so i Quit
then 2 weeks latter i get a visit from the workers comp man and the first thing he said was " whatever you do dont sign anything and Dont Quit" Ha Too late. as it turned out i only had a few more years of working anyway before the RA killed it. but i learnt a lesson and Try to help others not make same mistake
even now when i get flare ups the first place to give me trouble is the places in my back i originaly hurt, i was helping a "Large" Lady to stand up and she pulled backwards and my back litterly went ping-ping-ping and i had done the 3 discs neck thoracic and Lumbar. And now with the Oesteoporosis in spine those are the discs that rupture.
So i guess what im getting at is regardless of the Rules if an Employer is a Rat they will find a way around it so You Need to Know All your Rights. and be asertive make sure you use All the protections avalible to you.
and yeh i know how Bad Sitting is the only way i can sit for any time is in a recliner chair so my legs are up, another thought can you get a good chair or have your legs elevated somehow?