<prompt> Translate the following text to EnglishKwa hivyo, kwa kuzingatia uwezekano wa kuathiri kwa kiasi kikubwa, Tume inataka maoni juu ya ikiwa sheria hiyo inapaswa kutumika katika hali zenye muundo mdogo sana wa PBX, kulingana na kifungu cha 603 c.  <response>: Finally, in considering any significant alternatives minimizing the impact on small entities, the Commission asks for comments on whether the rule should be applied in situations with very limited PBX configurations in compliance with section 603c. 