The phrase "alleged irregularities" is correct and usable in written English.
It can be used in contexts where you are referring to reported or claimed irregularities that have not been proven or confirmed.
Example: "The investigation was launched due to alleged irregularities in the financial reports."
Alternatives: "purported irregularities" or "claimed irregularities."
Along with several other inquiries and audits, his office investigated the allegations against Vheru and uncovered alleged irregularities in salary payments he received from the district.
His housing minister was fired over alleged irregularities in the sale of top officials' mansions.
The PDP alleged irregularities and said it would challenge the result, local newspapers said.
He said specialist investigators had uncovered alleged irregularities relating to 190 postal votes in the Bordesley Green ward.
The prime minister, Lionel Jospin, agrees to testify to a judge investigating alleged irregularities in the Socialist Party's financing a decade ago.
Then came the failed attempts by the new league management to expel two of the original franchises, Rajasthan and Punjab, for alleged irregularities.
In 2007, the Southern Weekly newspaper alleged irregularities in a hotel construction contract awarded to the company by a district government in Zhangjiajie, in Hunan Province.
See you in Pennsylvania.12 01 : Ezra Klein posts an e-mail from the Clinton campaign's lawyer about those alleged "irregularities" in Texas.
They were searching for evidence of alleged irregularities by their executives and major shareholders, such as excessive loan extensions and bribery.
Israel denied that there had been any deal.Spoiled ballotMacedonia's election was marred by violence and alleged irregularities, mainly in ethnic-Albanian areas.
The John Doe files amount to 1,500 pages of largely unseen material gathered in evidence by prosecutors investigating alleged irregularities in political fundraising.
