6.—(1) The Heritage Act, 1995 , is hereby amended in section 10 by the insertion after subsection (4) of the following subsection:

"(5) This section shall apply to a building owned by a public authority and which has been designated as a heritage building by order made under subsection (4).".

(2) Subsection (1) of this section shall be deemed to have applied and have effect on and from the 10th day of April, 1995.