The phrase "a report on which" is correct and usable in written English.
It can be used when referring to a specific report that serves as a basis for further discussion or analysis.
Example: "The committee reviewed a report on which the new policy recommendations were based."
Alternatives: "a report that" or "a report regarding".
At the end of February, after the scheduled enactment of new American sanctions, the Department of Energy will issue a report on which countries remain Iran's oil clients.
How long would it take for a fifth grader to produce a report on which of her grandparents spent the most time in school, and why?
No contest – at least until London's proposed £278m new concert hall, a report on which was published last week, has a rubble trench foundation to play around in. (More on that anon).
On March 10th, three weeks before Johnson's withdrawal, NBC broadcast a report on which Frank McGee said not that the war was "mired in stalemate," which is what Cronkite had said, but that it was being lost.
In 1992, when he was still an intern at the firm, he wrote a report on which human rights issues most needed attention from concerned investors, and Myanmar was one of them, along with sweatshops and China.
This has led doctors to a con cept they call the artificial in testine or artificial gut, a report on which was presented here at the annual meeting of the American Society for Artificial Internal Organs.
Ten months later, the U.N. issued a report on Liberia, which further implicated Bout's companies in evading sanctions.
Earlier this month, the committee published a report on antisemitism, which called on all political parties to tackle what it described as a "pernicious form of hate".
These stories appeared just as a committee of MPs released a report on homelessness which acknowledges that homeless women are particularly at risk of sexual violence.
The Met Office also released a report on Sunday which found an increasing body of evidence to link high rainfall to the warming trend.
His barrister, David Singh, said a psychologist had prepared a report on Jennings "which raised a number of concerns".
