Sch 3 para 14
(1) Where it appears to the sampling officer that a substance or article of which he has obtained a sample was manufactured or assembled by a person whose name and address in the United Kingdom are stated on its container, and who is not a person to whom a part of the sample is required to be supplied under the preceding provisions of this Schedule, the sampling officer, unless he decides not to submit the sample for analysis or other appropriate examination, shall serve notice on that person— (a) stating that the sample has been obtained by the sampling officer, and (b) specifying the person from whom the sampling officer purchased it, or, if he obtained it otherwise than by purchase, the place from which he obtained it. (2) The notice required to be served under the preceding sub-paragraph shall be served before the end of the period of three days beginning with the day on which the sample was obtained.