He published basic philosophy of his great healing art in the Organon of Medicine, edition 1 to 5, during his lifetime from 1810 to 1833 A.D.
Every homeopath is following his own check-free path without adhering to guidelines of classy Organon of Medicine. George Vithoulkas in one of his lectures narrated a situation at a homeopathic clinic at Karachi by saying, "There was everything except homoeopathy." Please also keep in mind that wrong practice is not only useless but also posing grave dangers to the health of patients.
Some of them even don't know basic principles given by founder Heinemann through 291 aphoras of Organon of Medicine. The National Council of Homoeopathy may formulate a mechanism that skills of homeopaths may be judged by a panel of experts before awarding them permission to practice after taking the diploma.