Kadar se domneva, da gre pri shemi rabata na neposredne davke ali shemi povračila za subvencijo zaradi prevelikega rabata ali presežnega povračila posrednih davkov ali uvoznih dajatev na vložke, porabljene v proizvodnji izvoženega izdelka, mora Komisija navadno najprej določiti, ali ima vlada države izvoznice vzpostavljen sistem ali postopek in ga uporablja, da bi potrdila, kateri vložki se porabijo v proizvodnji izvoženega izdelka in v kakšnih količinah.
Where it is alleged that an indirect tax rebate scheme, or a drawback scheme, conveys a subsidy by reason of over-rebate or excess drawback of indirect taxes or import charges on inputs consumed in the production of the exported product, the Commission must normally first determine whether the government of the exporting country has in place and applies a system or procedure to confirm which inputs are consumed in the production of the exported product and in what amounts.