United was fined £257,000 for having “minor break-even deficits.”
“While disappointed by the outcome, Manchester United accepts this fine for what UEFA acknowledges to be a minor technical breach of its previous Financial Fair Play rules,” the club said in a statement.
Barcelona was fined £428,000 for reporting incorrect “profits on disposal of intangible assets” in 2022.
APOEL of Cyprus and Konyaspor of Turkey were both fined £86,000 for the same offense as United.
Turkish clubs Istanbul Basaksehir and Trabzonspor, as well as Belgian champions Royal Antwerp and Anderlecht, were fined.
The decisions are the result of the most recent cycle of monitoring utilizing FFP standards, which were replaced by new sustainability regulations introduced last year.
A group of high-profile European teams, including PSG, AC Milan, and Inter, reached settlements with UEFA in September last year and have met benchmarks established for the fiscal year 2022.
UEFA also stated that these clubs will be scrutinized for compliance again next season.