Johor Immunity Planning System (IMMU Plan) a special portal for Malaysians working in Singapore to register for the COVID-19 vaccine, is the State Government’s initiative and not related to the Johor palace. “The link (IMMU Plan) is not related to the Johor palace,” said Royal Press Office (RPO), which is the official media and communications office of Johor Royal Family, in a statement, here, today.