(1) The OFT may by notice to any of the persons carrying on the enterprises which have or may have ceased to be distinct enterprises request him to provide the OFT with such information as the OFT may require for the purpose of deciding whether to make a reference under section 22.
(a) the information required;
(b) the period within which the information is to be provided; and
(c) the possible consequences of not providing the information within the stated period and in the authorised or required manner.