(c)if the complaint alleges a defect in the goods which cannot be determined without proper analysis or test of the goods, obtain a sample of the goods from the complainant, seal it and authenticate it in the manner as may be prescribed and refer the sample so sealed to the appropriate laboratory along with a direction that such laboratory to make an analysis or test, whichever may be necessary, with a view to finding out whether such goods suffer from any defect alleged in the complaint or from any other defect and to report its findings thereon to the District Commission within a period of forty-five days of the receipt of the reference or within such extended period as may be granted by it;