Section 15(2) in The Delhi Registration Rules, 1976
(2)To prevent injury to the binding and the disturbance of paging which would result if those documents were filed in the bound volumes, a separate file book called "Supplementary Book I" shall be kept in each office and in it the documents above mentioned shall be pasted. It shall contain printed slips paged in consecutive order and having columns headed as follows:(a)data of receipt of copy of memorandum;(b)date on which document was executed; (c) name and addition of executant.
