Mr Heng Swee Keat resumed his duties as Finance Minister yesterday, three months after suffering a stroke.
National Development Minister Lawrence Wong has been given the additional responsibility of Second Minister for Finance to assist him, the Prime Minister's Office said in a statement yesterday.
The statement puts in writing announcements Prime Minister Lee Hsien Loong made at the National Day Rally on Sunday.
In addition, Ms Sim Ann has been appointed Senior Minister of State for Trade and Industry.
She will give up her appointment in the Ministry of Finance, and remain Senior Minister of State for Culture, Community and Youth.