(c)Each Inspector of Excise is required to maintain a confidential note-book, wherein all informations relating to offence under the Excise and Opium laws, etc., and the names of notorious smugglers, suspects informers and spies residing or working within his charge should be noted. The officer will also enter in the confidential note-book to his successor, or leave the same in a sealed cover to be opened and received by the latter.
