BUSINESS HEADLINES

Engineer of quake-prone building deregistered: 'The public could have been at risk' - RNZ

Snail mail: Posties to deliver mail by foot or bike as Paxster buggies undergo mass audit - New Zealand Herald

Watch: Sneak peek inside Costco's first NZ mega-store - 1News

Future of currency: New Zealand says yes to cold, hard cash - RNZ

Orcon Group-2degrees merger clears final hurdle with OIO approval - New Zealand Herald