@TaxLu I am not sure that I really understand the issue. To be clear , 1099_INT would usually be issued by a bank or a financial entity whom has paid you interest on monies that they hold as deposit for you.
On the other hand, in an installment sale you sell something ( like land, house etc. ) and act as the lender, you collect interest ( usually from an individual and not an entity ) till the original sales amount is fully paid off. In this case you have report/recognize the interest you have earned. So yes , generally you will report 1099-INT and also the "installment sale " interest ( select not reported on 1099-INT ).
Is this what you are dealing with or am I in left field ?
