Washington, D.C., Sept. 19, 1899.
To the Editor:
—I have the honor to acknowledge the receipt of your letter of the 31st ult., inclosing a newspaper slip relative to the liability to the internal revenue stamp tax of remedies furnished to patients, by physicians and companies who advertise in the public prints their ability to cure the various diseases incident to the human body, and requesting to be fully informed as to the rulings of this office on the subject.In reply I inclose you a copy of Circular 501 Revised, dated Jan. 24, 1899, containing the regulations of this office as to the liability of medicinal preparations to the stamp tax under Schedule B, Act of June 13, 1898. On page 5 of said regulations will be found a ruling that the tax is also imposed on the following:All mixtures or prescriptions by whomsoever sold, the demand for