Section 2A(13) in The U.P. Dookan Aur Vanijya Adhishthan Niyamavali, 1963
(13)Display of the registration number in the shop or commercial establishment. - Every owner of the shop or commercial establishment shall display at a conspicuous place in his shop or commercial establishment, the registration number on a plate with letters and figures at least 5 cms. high and 1 cm. thick written in white or luminous paint of any colour.
