.315 SNo member of the Industry shall sell or offer for sale any product Sof the Industry below the prices, or on any other terms, discounts, S and conditions of sale than in his own individual price list. ARTICLE IX No provision of this Code shall be interpreted or applied in such manner as to promote or permit monopolies or monopolistic prac- tices, or to eliminate or oppress small enterprises, or to discriminate Against them. ARTICLE X-MODIFICATION 1. This Code and all the provisions thereof are expressly made subject to the right of the President, in accordance with the provi- sions of sub-section (b) of Section 10 of the Act, from time to time to cancel or modify any order, approval, license, rule, or regulations issued under Title I of said Act and specifically, but without limita- tion to the right of the President to cancel or modify his approval of this Code or any conditions imposed by him upon his approval thereof. S2. This Code, except as to provisions required by the Act, may be modified on the basis of experience or changes in circumstances, such modification to be based upon application to the Administrator and such notice and hearing as he shall specify, and to become effective on approval of the Administrator. ARTICLE XI This Code shall become effective the eleventh day after the date on which it shall have been approved. Approved Code No. 896. Registry No. 223-02.