(1)Subject to subsection (2) below, in England and Wales, proceedings for any offence under this Act or any instrument made under this Act, other than proceedings for an offence under section 64, shall not be instituted except by or on behalf of a local weights and measures authority or the chief officer of police for a police area.
(2)Proceedings for an offence under section 57(2)
above shall not be instituted in England or Wales except by or on behalf of the Director of Public Prosecutions or the National Metrological Co-ordinating Unit.
(3)Proceedings for an offence under any provision contained in, or having effect by virtue of, Part IV or V of this Act, other than proceedings for an offence under section 33(6), 57(2) or 64 or proceedings by virtue of section 32, shall not be instituted—
(a)unless there has been served on the person charged a notice in writing of the date and nature of the offence alleged and, except in the case of an offence under section 50, 54 or 63 or Schedule 8, where the proceedings are in respect of one or more of a number of articles of the same kind tested on the same occasion, of the results of the tests of all those articles; or
(b)except were the person charged is a street trader, unless the said notice was served before the expiration of the period of thirty days beginning with the date when evidence which the person proposing to institute the proceedings considers is sufficient to justify a prosecution for the offence came to his knowledge; or
(c)after the expiration of the period—
(i)of twelve months beginning with the date mentioned in paragraph (a) above, or
(ii)of three months beginning with the date mentioned in paragraph (b) above,
whichever first occurs.
(4)Such a notice as is mentioned in subsection (3)(a) above may be served on any person either by serving it on him personally or by sending it to him by post at his usual or last known residence or place of business in the United Kingdom or, in the case of a company, at the company’s registered office.
(5)For the purposes of subsection (3) above—
(a)a certificate of a person who institutes proceedings for an offence mentioned in that subsection which states that evidence came to his knowledge on a particular date shall be conclusive evidence of that fact; and
(b)a document purporting to be a certificate of such a person and to be signed by him or on his behalf shall be presumed to be such a certificate unless the contrary is proved.