All dealers registered under the Act shall display their TIN/PIN on their signboards at all their business premises including godowns. Every dealer possessing godown or godowns shall put up in front of such godown or godowns, name board(s) showing the building number allotted by the Local Authority, name of the dealer, his Registration Certificate number and the number as well as the total number of the godown or godowns. The number of godown should be shown as the numerator and the total number of godowns as the denominator in the board exhibited. The board shall either be in Malayalam or in English and the letters and figures shall be not less than 2.5 c. m. in size.