A blaster shall keep records, in the form prescribed, in writing. by an inspector, of every blast he sets off. All entries in the book (register) shall be made forthwith, in ink or with a ball-point pen; no erasures shall be made in the book, and any alteration shall be initialed by the blaster.
The manager shall keep the book (register) or ensure that it is kept in safe custody by a responsible senior official for a period of two years from the date of the last entry therein.
