In respect of the prescribed bill of entry forms DA 22, DA 30 and DA 31, there shall be a further prescribed form with the words “Voucher of Correction” added to the name of the form and the letter “A” added to the number of the form. The declaration(s) shall be omitted if such vouchers are printed separately and the blank portion or entry of the particulars of the goods shall be divided into equal portions with two parallel horizontal lines and the words “Originally entered on B/E No. ………….. of ………………. As” between the two lines. In respect of any form with a column relating to the amount of duty, the words “Difference in duty” shall be substituted for the word “Totals” on such form Such vouchers may be printed separately or the normal prescribed forms may be used and the above-stated adjustments made thereto. Provision should in all cases be made for the signature of the person presenting such voucher to the Controller.