(1) No restrictions in force under section 9 shall apply to the erection or making of a building or excavation or to the construction, formation or laying out, of any means of access or works begun before the appointed day referred to in section 9.
(2) No restrictions in force under section 9, except restrictions as to the construction, formation or laying out, or means of access, shall apply to any land forming part of a burial or cremation ground or other place for the disposal of the dead being land which has, before the passing of this Act, been used for such purpose.
(3) No restrictions in force under section 9 shall apply to any excavation of works necessary in connection with any drains, ditches, or other drainage works for agricultural purposes or to any works necessary for the repair, renewal enlargement or maintenance of any sewer, drain, electric line, pipe, duct, or other apparatus, constructed in or upon the land before the date on which the restrictions came into force or with the consent of the Highway Authority on or after that date.
12. Whenever any building or any part thereof erected before the appointed day referred to in section 9 lies between the building line and the middle of the highway, the Highway Authority may, whenever any such building or part has either entirely or in greater part been taken down, burnt down or fallen down by notice require such building or part when re-erected to be set; back to the building line control line.