section 11: The bankruptcy of a debtor shall be deemed to have relation back to and to conimence at the time of the act of bankruptcy being completed on which the order is made adjudging him to be bankrupt ; or if the bankrupt is proved to have committed more acts of bankruptcy than one, to have relation back and to commence at the time of the first of the acts of bankruptcy that may be proved to have been committed by the bankrupt within twelve months next preceding the order of adjudication ; but the bankrcptcy shall not relate to any prior act of bankruptcy, unless it be that at the time of committing such prior act the bankrupt was indebted to some creditor or creditors in a sum or sums sufficient to support a petition in bankruptcy, and unless such debt or debts are still remaining due at the time of the adjudication, The section 116 6 (1) : A copy of the Official Gazette containing any notice inserted in pursuance of this Act shall be evidence of the facts stated in the notice.