TicketBAI Euskadiko foru-ogasunek eta Eusko Jaurlaritzak elkarrekin abian jarritako proiektua da. Horren helburua da fakturazio-sisteman betebehar legalak, teknikoak eta kontrolekoak, ezartzea eta, indarrean sartzen den unetik aurrera, TicketBAI software bermatzailea erabili behar izatea. Jarduera ekonomikoak eta juridikoak egiten dituzten pertsona fisiko guztiak TicketBAIra egokitzera behartuta daude hiru lurralde historikoetako bateko Sozietateen gaineko Zergari edo PFEZri lotutako araudia aplikatzen badute.
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