(1) Section 198 of the Principal Act is amended in subsection (3) (amended by section 14 of the Act of 2008) by substituting "(3E), (4), (4A) and (4B) and section 198A" for "(3E) and (4) ".

(2) Section 198 of the Principal Act is amended by inserting the following subsections after subsection (4):

"(4A) Subject to subsection (4B), the payment, referred to in subsection (3), of a supplement towards the amount of rent payable by a person in respect of his or her residence shall not be made where, in respect of each tenancy for which a supplement is payable -

(a) the landlord of such residence has not provided the Executive with his or her tax reference number in the prescribed form, or

(b) the landlord of such residence does not have a tax reference number and has not provided the Executive with a notification, in the prescribed form, to that effect and the reasons for which he or she does not have a tax reference number.

(4B) Notwithstanding subsection (4A), where an application for the payment of a supplement towards the amount of rent is made on or after 1 January 2011 and the information specified in that subsection has not been provided by a landlord, the Executive -