Cabinet approval is required for certain types of expenditure, like lease or asset disposal proposals by departments, Crown Agents and other Crown Entities.
The criteria for determining which investment decisions require Cabinet approval is set through the relevant Cabinet Office Circular linked on the Treasury’s Investment Management System page:
Investment management system – The Treasury New Zealand
The Treasury also has guidance on investments, roles and requirements, and the Better Business Cases framework.
Investment Management System roles and requirements – The Treasury New Zealand
Better Business Cases – The Treasury New Zealand