(7) Unless the context otherwise requires, every reference in—
(a) Any enactment, regulation, order, or rule passed or made before the commencement of this Act; or
(b) Any contract, agreement, deed, or instrument entered into, made, or executed before the commencement of this Act; or
(c) Any form, notice, or other document, issued, given, or signed before or after the commencement of this Act,—
to the Department of Statistics, shall be read as a reference to the Department within the meaning of section 2 of the principal Act (as amended by subsection (2) of this section).