Cessation in operation of these Regulations

12.  These Regulations shall cease to have effect—

(a) in any case where rent is payable at intervals of a whole number of weeks, on 6th April 2003, and

(b) in any other case, on 31st March 2003,

and the principal Regulations, the Housing Benefit (General) (Amendment No. 2) Regulations (Northern Ireland) 1996 and the Housing Benefit (General) (Amendment No. 4) Regulations (Northern Ireland) 1997 shall apply thereafter as if the amendments made to them by these Regulations had not been made.