The phrase "a close issue" is correct and usable in written English.
It can be used to describe a situation or topic that is contentious or has differing opinions, where the outcome is uncertain or tightly contested.
Example: "The debate over the new policy has become a close issue, with both sides presenting compelling arguments."
Alternatives: "a contentious matter" or "a tight debate".
Another recent and important work to refer to is the work presented in [21], where a very close issue was considered, but this time for a mapping from Place/Transition Petri Nets to the B-language.
"We had the option to opt out of the picture, but I chose to get involved because this is a very close issue to my heart," Sims added.
If the case is not settled by this time, Acas will bring the early conciliation to a close and issue a formal certificate to this effect, and you can then issue your claim.
We unfurled some of those long-winded statements and took a closer look, issue by issue.
In Custer County, Nebraska, the county clerk said that a count on a C.E.S. system concerning a school-closing issue showed more people voting than were registered.
With the move, banks are trying to bring to a close an issue that has caused widespread anger and mistrust among Hong Kong residents who have fallen victim of the global credit crisis.
Al Nadeem had challenged an order to close issued by an administrative court in Cairo last February.
For a single closing issue, today's copy editors read New Yorker proofs so many times and in so many ways that they variously subtitle their own efforts.
Close issued a statement to The New York Times shortly after the paper reported misconduct allegations against Weinstein. .
The data, revealed today at a teleconference held by the U.S. National Institute of Allergy and Infectious Diseases (NIAID), brings to a close a divisive issue.
So, I was heartened as the debate came to a close and the issue had not been raised.
