Da Form 4592 - Form 2922 (forensic laboratory examination request). Information about form 4952, investment interest expense deduction, including recent updates, related forms and instructions. Form 4952 is used to determine the amount of investment interest expense you can deduct for the current year and the amount you can carry.
Form 2922 (forensic laboratory examination request). Form 4952 is used to determine the amount of investment interest expense you can deduct for the current year and the amount you can carry. Information about form 4952, investment interest expense deduction, including recent updates, related forms and instructions.