29. (1) Any person authorised in this behalf by the Government or by a local authority empowered by the Government for this purpose may, in respect of any article of food or any ingredient used in the manufacture thereof or any substances capable of being so used- (a) which is in the process of manufacture or is for sale or has been kept for use in the manufacture of any food, tender the price of such sample of that article, ingredient or substance as may be reasonably requisite for division and disposal under section 30, and may require that the sample be sold to him for the purpose of analysis or bacteriological or other examination;(b) which, for the purposes of sale, is in transit or at any place of delivery or storage, demand such sample of that article, ingredient or substance as may be reasonably requisite for division and disposal under section 30, and may require that the sample be surrendered to him for the purpose of analysis or bacteriological or other examination. (2) Any person having in his possession any article, ingredient or substance in respect of which a requisition is made under sub-section (1), shall sell or surrender, as the case may be, such sample thereof as may be so required. (3) A person authorised under sub-section (1) may further require that any person having in his possession any article, ingredient or substance in respect of which a requisition is made under that sub-section shall sign a declaration in the prescribed form to the effect that the sample of such article, ingredient or substance which was so required has been so bought and sold or surrendered, as the case may be. (4) A person authorised under sub-section (1) shall for the purposes of this section have right to enter any place through which an article of food passes in transit or any place where an article of food is to be given delivery of or is stored and to inspect any records in any such place. (5) The price of any sample surrendered under sub-section (2) shall, in accordance with the rules, be payable by the Government or the local authority to the owner of the article, ingredient or substance from which the sample was surrendered, if the price is claimed by the owner in the prescribed manner and within one month from the date of the surrender.