The intention wasn't to argue against the need to come back to Parliament for significant material changes in the cash requirements of programs. It was really more a case of the possibility of introducing a 10% allowance for transfers to be approved outside of the parliamentary process. It was exactly that. It was meant to be a small allowance on the total G and C, operating, or whatever envelope, even on total supply. The idea was just to introduce a small amount of flexibility so departments could respond immediately, rather than being tied to either the limitations of a small central capacity for contingency or to the supply cycle.
Evidence of meeting #142 for Government Operations and Estimates in the 42nd Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was purpose-based.
A recording is available from Parliament.