The phrase "a communique would be" is correct and usable in written English.
It can be used when discussing the nature or purpose of a formal message or announcement.
Example: "In response to the recent events, a communique would be issued to clarify our position."
Alternatives: "a statement would be" or "an announcement would be".
On 20th September 2004, it issued a communique announcing that there would be a 5 year ban on (i) whole organ animal-to-human transplantation; and (ii) the use of non-human primates (eg baboons) as a source animal for clinical transplantation (National Health Medical Research Council NHMRC 2004a).
He pointed out that the Irish had "pressed us to indicate in the communique that we would be making changes concerning the Ulster Defence Regiment".
The communique said the G20 would be putting forward recommendations to set up a system so that profits are taxed "where economic activities deriving the profits are performed and where value is created".
The G20 countries said in their communique that global growth would be more than the 2% already predicted by the IMF for 2010 as a result of the measures taken.
This is an area in which the communique would have been strengthened by some clear provisions.
The rebels broadcast a communique saying General Noriega was captured and would be forced to retire.
The UK government should do all it can to stop this betrayal of the world's poor at the Canadian G8". The prime minister met Stephen Harper, the Canadian prime minister, and a Downing Street source said that the final communique from the Muskoka summit would be different from the draft.
If the group issues a communique that hedges about conditions under which protectionism is permitted, that would be a major shift in G-7 practice — and would show that the Trump administration can bend the will of others.
The group's communique emphasized that the freeze would be lifted if Belgrade agreed to take part in talks.
World leaders have forced Australia to include stronger language on climate change in the G20 communique, but Tony Abbott told the summit that as the leader of a major coal producer he would be "standing up for coal".
