11.3.—(1) The responsible insolvency practitioner shall, within 7 days from the last date for proving, deal with every creditor's proof (in so far as not already dealt with) by admitting or rejecting it in whole or in part, or by making such provision as he thinks fit in respect of it.
(2) The insolvency practitioner is not obliged to deal with proofs lodged after the last date for proving; but he may do so, if he thinks fit.