<prompt> Translate the following text to Swahili, mail used by non-households to pay their bills and send bills to other non-households is unknown and is not included in billpayment mail.  <response>: Barua za posta zinazotumiwa na watu wasio wa nyumbani kulipa bili zao na kutuma bili kwa watu wengine wasio wa nyumbani hazijulikani na hazijumuishwa katika barua za bili na malipo. 