On and from the appointed day the [1879 c. 11.] Bankers' Books Evidence Act 1879 shall apply to the books of AIB vested in AIB NI by virtue of this Act, and to entries made in those books before that day, as if such books had at all relevant times been the books of AIB NI.

For the purposes of section 4 of the said Act of 1879, books which have become the books of AIB NI by virtue of this Act shall be deemed to have been the ordinary books of AIB NI at the time of the making of any entry therein which purports to have been made before the appointed day, and any such entry shall be deemed to have been made in the usual and ordinary course of business.

In this section “books” shall be construed in accordance with section 9 (2) of the said Act of 1879.