Section 9(1)(iii) in Uttar Pradesh Motor Vehicles Taxation Act, 1997
(iii)[ the additional tax payable under clause (a) of sub-section (1) of section 5 shall be payable in advance on or before the fifteenth day of January, April, July and October in each year; [Substituted by section 2 of U.P. Act No. 5 of 1999.]