Whether you have a permanent disability or a temporary one, the method for requesting a reasonable accommodation mostly is the same. You first must tell your employer that you have a disability. Without knowing a disability exists, your employer cannot initiate a workplace accommodation for you.nnYour employer can require proof of the disability. A doctor’s note or similar affirming documentation is needed to prove you have a disability. There are no standardized processes for determining a reasonable workplace accommodation. Every decision is made on a case-by-case basis, with your employer being the initial judge of what it considers to be reasonable.