The Principal Regulations issued vide notification No.61/67-Cus., dated 3rd June, 1967 was published in the Gazette of India, Part II, Section 3, sub-section (i) dated 3rd June, 1967 vide G.S.R. No.842 dated 3rd June, 1967 and was last amended by notificationNo.39/86-Cus., dated 12th February, 1986 published in Gazette of India Extraordinary, Part II, Section 3, sub-section (i) dated 12th February, 1986 vide G.S.R. No.197(E) dated 12th February, 1986.