Generally

Generally the Borrower's Borrower'sPerson who is the obligor per the Note. monthly payment consists of P&I P&IPrincipal and interest  and deposits for insurance, taxes, replacement reserves and replacement hedges or some combination of such items.  In some instances, the payment may include additional funds to be applied toward the UPB UPBUnpaid Principal Balance  or to repay funds advanced by the Servicer ServicerPrimary Person servicing the Mortgage Loan, including the originator, seller, or a third party. .  The Servicer ServicerPrimary Person servicing the Mortgage Loan, including the originator, seller, or a third party. must account for each portion of the Borrower's Borrower'sPerson who is the obligor per the Note. monthly payment in the Servicer's Servicer'sPrimary Person servicing the Mortgage Loan, including the originator, seller, or a third party. records.  The Servicer ServicerPrimary Person servicing the Mortgage Loan, including the originator, seller, or a third party. must track both actual and scheduled Mortgage Loan Mortgage LoanMortgage debt obligation evidenced, or when made will be evidenced, by the Loan Documents, or  a mortgage debt obligation with a Fannie Mae credit enhancement. Test Notes-SV Test Again Sub-bullet test1 Sub-bullet test2 balances (a.k.a., Security Pool and Security SecurityMBS, PFP MBS, or REMIC. balances) and reconcile any outstanding difference (e.g., the Servicer ServicerPrimary Person servicing the Mortgage Loan, including the originator, seller, or a third party. advances for insufficient Borrower BorrowerPerson who is the obligor per the Note. payments).