Originally Posted by
BeatCal
There is nothing in the document you linked that prohibits a flight attendant from requesting that you change seats. In fact, it says the exact opposite:
An operator may have policies based on safe operating practices that establish certain seat locations for a passenger who uses a CRS on a specific aircraft. Even if a certain seat in another location in the same class of service can accommodate an approved CRS, an operator does not have to permit the CRS in that location if the operator’s policies disallow the CRS in that seat.
Basically, the operator MUST accommodate the CRS, but they can ask you to move as long as they can reaccommodate you in the same class of service. This is also consistent with the concept that seat assignments are not guaranteed under any circumstance.