From the BBC,
What have City been charged with?
In a statement the Premier League said City breached rules requiring them to provide "accurate financial information that gives a true and fair view of the club's financial position".
This information covered club revenue, which includes sponsorship income and operating costs.
Further alleged breaches relate to rules requiring full details of manager remuneration - from the 2009-10 to 2012-13 seasons, when Roberto Mancini was in charge - and player remuneration between 2010-11 and 2015-16.
The Premier League said City breached rules related to Uefa regulations, including Financial Fair Play (FFP), from 2013-14 to 2017-18, as well as Premier League rules on profitability and sustainability from 2015-16 to 2017-18.