Refusal of a disabled employee to implement an individual rehabilitation program: employer’s obligation

The employee works in a workplace created for the employment of disabled people within the established quota. A special assessment of working conditions at the workplace established harmful working conditions. The individual rehabilitation program provides that the employee can work in optimal and permissible working conditions. The employee wants to abandon the implementation of an individual rehabilitation program in order to continue working in the same workplace. Is the disabled status lost in an employee who has refused an individual rehabilitation program?