'unilateral statement' is a correct and usable phrase in written English.
It can be used to refer to a statement made by one side in a dispute or negotiation. For example, "The opposition party refused to compromise, and stuck to their unilateral statement that it wouldn't accept any changes to their policy."
As a unilateral statement, it has no force other than as a symbolic political declaration.
Instead of a showstopper, "Come Rain or Come Shine" became a unilateral statement of commitment directed at a silent partner.
But once American presidents begin navigating the minefield of the Israeli-Palestinian conflict, they quickly realise they don't need to add to their problems by shifting the US embassy from Tel Aviv - a unilateral statement on the status of Jerusalem.
Ever since the coach, Andy Flower, removed him from the team as his first unilateral statement that things within the England set-up needed to change, Bell's response has been outstanding.
As it signed the treaty, Russia issued a separate, unilateral statement repeating its objections to American missile defense and warning that it would withdraw from the treaty if it ever decided the program represented a threat to its national security.
The language has no legal effect; neither does a unilateral statement made by the Russians warning that they would withdraw from the treaty if they decided in the future that missile defense had become a threat to their security.
Unilateral statements also may constitute evidence of a state's views on a particular issue.
Mr. Obama refused but said he was open to separate unilateral statements that would detail each side's position without any binding effect.
Wales's education minister Leighton Andrews went further and accused Mr Gove of making unilateral statements that wrecked the consensus between the nations around secondary examinations.
The Nagorno-Karabakh military said Baku's statement on a unilateral ceasefire was "disinformation" but that it was ready to discuss a ceasefire proposal from Azerbaijan on the condition both sides returned to their positions held before the clashes erupted.
Another witness, Matt Levitt, a counterterrorism expert at the conservative Washington Institute for Near East Policy, called for stepped-up diplomatic and financial pressure on Iran but also said in a written statement that "U.S. unilateral raids or raids undertaken in collaboration with Iraq's Counter Terrorism Service should be accelerated".
