An action taken by the governor to prevent the enactment of an item of an appropriation bill; also may be called line item veto.

the power to reject a particular section or item in a piece of legislation without vetoing the entire law

The Pennsylvania Constitution empowers the Governor to disapprove part or all of any item or items of any bill making appropriations of money. The part or parts of the bill approved become law and the item or items disapproved become void. This power is known as the item veto.