the goods, before being released for free circulation, were placed under a special procedure for testing, unless it is established that the fact that the goods were defective or did not comply with the terms of the contract could not normally have been detected in the course of such tests;
i gcás gur cuireadh na hearraí, sular scaoileadh iad le haghaidh saorchúrsaíochta, faoi nós imeachta speisialta i gcomhair tástála, mura suitear nach bhféadfaí a bhrath de ghnáth le linn na dtástálacha sin go raibh na hearraí lochtach nó nár comhlíonadh leo téarmaí an chonartha;