23. (1) Whoever contravenes any of the provisions of section 3, 4, 5, 6, 7, 8, 9, 10, 11 or 13 shall be punished- (a) for a first offence, with rigorous imprisonment for a term which may extend to six months and with fine which shall not be less than one hundred Taka or more than two thousand Taka and also with whipping; (b) for a second offence, with rigorous imprisonment for a term not less than three months and not more than two years and with fine which shall not be less than five hundred Taka or more than ten thousand Taka and also with whipping; and (c) for repeated offences or for offences of large scale adulteration or adulteration with injurious substances even in the first instance, with rigorous imprisonment for a term which shall not be less than three years or more than five years and with fine which shall not be less than five thousand Taka or more than one lakh Taka and also with whipping. (2) Whoever contravenes any of the provisions of section 12, 18, 21 or 28 or of any rules shall be punished with imprisonment for a term which may extend to one year and with fine. (3) Any person who attempts to contravene, or abets the contravention of any of the provisions mentioned in sub-section (1) or sub-section (2) shall be punishable with the same punishment as is provided for such contravention. (4) All fines recovered under this Act shall be credited to the fund of the local authority within the limits of whose jurisdiction the offence for which the fine was imposed was committed. (5) Where in the course of any business a person commits an offence under this Act and is convicted therefore under clause (b) or clause (c) of sub-section (1) and such business is carried on by him or by any other person on his behalf he or such other person shall, for a period of one year from the date of such conviction, prominently display on the premises in which such business is carried on a notice of the fact of such conviction, and, on his failing to so display such notice, shall be punishable with imprisonment for a term which may extend to three months or with fine or with both.