There is no such thing as the constitutional status of the so-called presidential line-item veto. It was proposed but never confirmed to be constitutional, rather, the Constitution makes no provision for such a privilege.
item veto
Veto
The line item veto has little chance of passing.
Veto
No - the president has no official role in the amendment process.
veto acts passed by Congress
To veto acts passed by congress :)
This would probably require a Constitutional amendment.
Only the States can ratify a constitutional amendment. The President can veto legislation putting the amendment up for ratification, but can be overridden by the normal process in the Senate.
No. The US President, head of the Executive Branch of the federal government, has the exclusive power of veto, as assigned by Article II of the Constitution.
line-item veto
By strict as well as common constitutional interpretation (and practice) he does not have that power.Normally the "State Department" will negotiate a treaty, and then the legislative body will approve it; the President can veto it but that veto can be over-ridden by congressional vote.