The Principal Act is amended -

(a) in section 31E -

(i) by the substitution of the following subsection for subsection (4):

"(4) In this section, a reference to acquisition shall include a reference to -

(a) acquisition by way of a conveyance, transfer, lease, instrument, contract or agreement referred to in subsection (2), and

(b) acquisition by way of a change in the person or persons having direct or indirect control by virtue of a conveyance or transfer on sale of stocks, marketable securities, units or interests referred to in subsection (9).",

(ii) by the insertion of the following subsection after subsection (8):

"(8A) For the purposes of subsection (8)(b), a person shall not be regarded as entering into a housing authority lease on the same day as the residential unit concerned is acquired by the person where the residential unit was subject to a housing authority lease immediately prior to that day.",