16. For regulation 4(7) substitute—
“(7) A welfare supplementary payment to which a person is entitled under this regulation must be paid—
(a)in a case where the person’s landlord is the Northern Ireland Housing Executive, every four weeks, or as soon as is reasonably practicable after that, in arrears,
(b)in any other case, every four weeks, at the time that housing benefit is paid to that person, in arrears.”.