5. Requirements for proof
(1) A proof must —
(a) be made out by, or under the direction of, the creditor and authenticated by him or a person authorised in that behalf; and
(b) state the following matters —
(i) the creditor's name and address;
(ii) if the creditor is a Company, its registered number or equivalent;
(iii) the total amount of the creditor's claim (including any applicable tax) as at the relevant date, less any payments made after that date in respect of the claim, any deduction under paragraph 23 (Discounts) of Part 3 (Creditors' claims) of this Schedule and any adjustment by way of set-off in accordance with paragraphs 24 (Administration: mutual dealings and set-off) and 25 (Winding-up: mutual dealings and set-off) of Part 3 (Creditors' claims) of this Schedule;
(iv) whether or not the claim includes outstanding uncapitalised interest;
(v) particulars of how and when the debt was incurred by the Company;
(vi) particulars of any security held, the date on which it was given and the value which the creditor puts on it;
(vii) details of any reservation of title in respect of goods to which the debt refers; and
(viii) the name, address and authority of the person authorising the proof (if other than the creditor himself).
(2) There shall be specified in the proof details of any documents by reference to which the debt can be substantiated; but (subject as follows) it is not essential that such document be attached to the proof or submitted with it.
(3) The Office-holder may call for any document or other evidence to be produced to the Office-holder if the Office-holder considers it necessary for the purpose of substantiating the whole or any part of the claim made in the proof.