Al-Andalus served as a shining star of Muslim commerce. Strict moral codes governed the operation of the marketplace. These codes were overseen and administered by a qadi (judge), also referred to as a muhtasib. Ibn 'Abdun's Hisba Manual examines market regulations in Muslim Seville . The selected document is from a larger work by Ibn 'Abdun, Islam from the Prophet Muhammad to the Capture of Constantinople. The reader learns from the introduction that the author of the document was most likely a qadi (judge) or what is also referred to as a muhtasib. The document briefly defines the role of a muhtasib as a market inspector. This definition fails in many details that would aid the reader in placing the document in a clear context. Contrary to the author's description of the hisba (text spelling) as a genre, within an Islamic text the meaning has a larger definition. Within the Islamic sphere "the Hisbah is a religious institution under the authority of the state that appoints people to carry out the responsibility of enjoining what is right, whenever people start to neglect it, and forbidding what is wrong, whenever people start to engage in it" . Within the institution of the Hisbah the position of muhtasib exists, his position is not only one based on commerce (market inspector) but also one of a moral and religious nature. Al-Muhtasib is a judge (Qadi) who makes decisions on the spot, at any place and at any time, as long a he protects the interests of the public. His responsibilities are almost limitless in order to implement the following principle: commanding the good and forbidding the evil of wrongdoing. Al-Muhtasib as full judge must possess high qualifications of being wise, mature, pious, well-poised, sane, free, just, empathic, and learned scholar. He has the ability to ascertain right from wrong, and the capability to distinguish the permissible from the non- permissible . Placing the docume...