(1)Every Central Nazir, Nazir, Deputy Central Nazir and Assistant Nazir shall acquaint himself with-(a)the rules regarding purchase, maintenance, and repairs of bicycles as contained in Q.O. No. 922/XVIII-220, dated 15th March, 1935 and Q.O. No. U-1066/1258, dated 28th December, 1940 ;(b)rules regarding purchase, maintenance, condemnation, and repair of typewriters as contained in Chapter IV of the Printing and Stationery Manual.