The phrase "a statement for which" is correct and usable in written English.
It can be used when referring to a specific statement that serves a particular purpose or context.
Example: "The report includes a statement for which the committee will base its decision."
Alternatives: "a statement that" or "a statement regarding".
It was a statement for which the Met has been heavily criticised – including by some of its own officers – and which it later had to retract.
The political waters were further roiled this month when Governor Bush was taped saying he had "devious plans" if the amendment passed -- a statement for which he has since apologized.
The uncertainty here has been fostered by the difficulties Dr. Dean has encountered over the last few few weeks, such as when he asserted that the nation was no safer after the capture of Saddam Hussein, a statement for which Democrats as well as Republicans attacked him.
One High Commission official described the Argylls as "a bunch of Glasgow thugs" (a statement for which he later apologised).
That said, I also categorize the "It's Not Fair" of widowhood with the "Why Me?" of widowhood, in that unfortunately, it is a statement for which there is little in the way of satisfactory response or explanation.
Of the three hosts who convened this broadcast gem, the one who disagreed with Beck -- Brian Kilmeade -- had recently declared on air that the white race in America had been weakened through interbreeding with non-whites, a statement for which he apologized after it sparked wide-scale outrage.
First, the bellicose, 32-year-old chickenhawk from North Carolina got in trouble for calling a Green Zone sentry a "two-bit security guard" while in Iraq--a statement for which he was later forced to apologize.
For a long while, Twitter was different, a place where people were who they said they were and were aware that a tweet was a public statement for which you could be called to account.
If a proposition (or sentence, statement) for which we claim truth is indeed true, it is so because it accurately refers to existing objects, or accurately represents actual states of affairs albeit objects and states of affairs about which we can state facts only under descriptions that depend on our linguistic resources.
Consider making a retraction of the statement for which you're being charged with libel.
