(3) As regards the revenue and expenses of the postal and telegraph service, the Postmaster-General shall retain the revenue collected and defray the expenses incurred in Great Britain, and the Irish Post Office shall retain the revenue collected and defray the expenses incurred in Ireland, subject to the provisions of the Fourth Schedule to this Act; which schedule shall have full effect, but may be varied or added to by agreement between the Postmaster-General and the Irish Post Office. (4) The sums payable by the Postmaster-General or Irish Post Office to the other of them in pursuance of this Act shall, if not paid out of Post-Office moneys, be paid from the Exchequer of the United Kingdom or of Ireland, as the case requires, to the other Exchequer. [Sidenote: 26 & 27 Vict. c. 112.] (5) Sections forty-eight to fifty-two of the Telegraph Act, 1863, and any enactment amending the same, shall apply to all telegraphic lines of the Irish Government in like manner as to the telegraphs of a company within the meaning of that Act. [Sidenote: Transfer of savings banks] =21.=--(1) As from the _appointed day_ there shall be transferred to the Irish Government the post-office savings banks in Ireland, and all such powers and duties of any department or officer in Great Britain as are connected with post-office savings banks, trustee savings banks, or friendly societies in Ireland, and the same may be regulated by Irish Act. (2) The Treasury shall publish not less than six months previous notice of the transfer of savings banks. (3) If before the date of the transfer any depositor in a post-office savings bank so requests, his deposit shall, according to his request, either be paid to him or transferred to a post-office savings bank in Great Britain, and after the said date the depositors in a post-office savings bank in Ireland shall cease to have any claim against the Postmaster-General or the Consolidated Fund of the United Kingdom, but shall have the like claim against the Government and Consolidated Fund of Ireland. (4) If before the date of the transfer the trustees of any trustees savings bank so request, then, according to the request, either all sums due to them shall be repaid, and the savings bank closed, or those sums shall be paid to the Irish Government, and after the said date the trustees shall cease to have any claim against the National Debt Commissioners or the Consolidated Fund of the United Kingdom, but shall have the like claim against the Government and Consolidated Fund of Ireland. (5) Notwithstanding the foregoing provisions of this section, if a sum due on account of any annuity or policy of insurance which has before the above-mentioned notice been granted through a post-office or trustee savings bank, is not paid by the Irish Government, that sum shall be paid out of the Exchequer of the United Kingdom. _Irish Appeals and Decision of Constitutional Questions._ [Sidenote: Irish appeals.]