The "original" contains at the foot of the Form the following Note: "(To be furnished to the prescribed authority in accordance with the rules framed under section 13(4) (e) by the appropriate State Government.)" The Madras State Government presuming to act in exercise of authority under section 13(3) and section 13(4)(e) framed the Central Sales Tax (Madras) Rules, 1957, r. 10(1) of which reads as follows ': "A registered dealer, who wishes to purchase goods from another such dealer on payment of tax at the rate applicable under the Act to sales of goods by one registered dealer to another, for the purpose specified in the purchasing dealer 's certificate of registration, shall obtain from the assessing authority in the City of Madras and the registering authority at other places a blank declaration form prescribed under rule 12 of the Central Sales Tax (Registration and Turnover) Rules, 1957 for furnishing it to the selling dealer.