(c)for requiring the [manufacturer or the person carrying on any process or other operation] [ Substituted by Act 22 of 1995, Section 61, for certain words (w.e.f. 26-5-1995).] to give access to every part of his manufactory to any officer of customs specially authorised in this behalf by the [Assistant Commissioner of Customs or Deputy Commissioner of Customs] [[ Substituted by Act 27 of 1999, Section 100, for " Assistant Commissioner of Customs" w.e.f. 11-5-1999). Earlier, these words were substituted by Act 22 of 1995, Section 50 (w.e.f.