Section 170A(b) in Police Regulations, Bengal , 1943
(b)For all other offices, stations or posts in the district, similar pending lists should be maintained in B.P. Form No. 203. This list should show all letters received or issued, to which no reply has been despatched or received within seven days. All entries pending from the previous week shall be carried over in red ink. The list shall be put up weekly before the head of the establishment concerned.