Exemption from bank guarantee: public sector undertakings exempted from security for storing sensitive goods, bond obligations remain. The Circular exempts all Central and State Public Sector Undertakings from furnishing a bank guarantee or other form of security for storing sensitive goods in duty free shops they operate, while maintaining the obligation to execute a double duty bond and to comply with other licensing conditions under the private bonded warehouse procedure; public notice and standing order publication is directed and implementation difficulties must be reported to the Board.