Section 41 of the Principal Act is amended:

(a) by the substitution in paragraph (b) of subsection (1) of "1993, or" for "1993.";

(b) by the insertion after paragraph (b) of subsection (1) of the following paragraph:

"(c) to such extent as may be prescribed, a scheme the winding up of which has commenced.";

and

(c) by the substitution for subsection (2) of the following subsection:

"(2) Notwithstanding subsection (1) -

(a) subsections (1) and (2) of section 48 shall apply to any scheme other than a defined contribution scheme, and

(b) subsections (3) and (4) of section 48 shall apply to every scheme.".