Departments had also been asked to stop all non-essential spending on consultancy, government communications and deliver 2% back-office cost savings.
Gofynnwyd i adrannau hefyd atal yr holl wariant nad oedd yn hanfodol ar ymgynghori a gwaith cyfathrebu'r llywodraeth, a chyflawni 2% o arbedion mewn costau corfforaethol.