sentences:  The volume has a total of 90 'Ain' or Regulations dealing and describing the different segments of administration and occupations at that time.The various ains include the one on the imperial mint, its workmen and their process of refining and extracting gold and silver, the dirham and the dinar etc.There are also portions dedicated to the Imperial Harem (Ain 15), the royal seals (Ain 20), the imperial kitchen (Ain 23) and its recipes and the rules relating to the days of abstinence (Ain 26).