11. (1) The law for the time being in force relating to sea customs and to goods, the import of which is prohibited by ¹[section 15 of the Customs Act, 1969], shall, subject to the provisions of section 13 of this Act, apply in respect of drugs the import of which is prohibited under this Chapter, and officers of Customs and officers empowered under that Act to perform the duties imposed thereby on a ²[Collector of Customs] and other officers of Customs, shall have the same powers in respect of such drugs as they have for the time being in respect of such goods as aforesaid. (2) Without prejudice to the provisions of sub section (1), the ³[Collector of Customs], or any servant of the ⁴[Republic] authorised by the Government in this behalf, may detain any imported package which he suspects to contain any drug the import of which is prohibited under this Chapter, and shall forthwith report such detention to the Director of the Central Drugs Laboratory and, if required by him, forward the package or samples of any suspected drug found therein to the said Laboratory.