The Financial Secretary's primary responsibility is to assist the Chief Executive in overseeing policy formulation and implementation in financial, monetary, economic, trade and employment matters. He exercises control over the Exchange Fund, with the assistance of the Monetary Authority. He is a member of the Executive Council.
The Financial Secretary is also in charge of the Government Budget. He is responsible under the Public Finance Ordinance for laying before the Legislative Council each year the Government's estimates of revenue and expenditure. In his annual budget speech, he outlines the Government's vision and policies for sustainable economic development, and he presents budgetary proposals and moves the Appropriation Bill, which gives legal effect to the annual expenditure proposals contained in the Budget.