Productivity Form 433 F: For Those Who Owe a Little More IRS Form 433 F – Collection Information Statement for Higher Debts The last Collection Information Statement we will cover in PDFfiller‘s review, IRS Form 433 F is used to ... Tax Guide Form 433: Collection Information Statements for Taxes Owed Owing taxes to the IRS is not an ideal situation by any means, but sometimes it happens. Whether it was due to a change in your tax situation that ...