Field help (FRMTYP) 

Select the remittance type: Receipt, Discount, Receipt in value, or Discount in value.
If the deposit slip is associated with a check transaction and the processing for the print code is CHR or CHE, this field defaults to Receipt.
For all deposit slips, except checks, you can select the type of deposit (receipt or discount) defining the journal where the generated entries are saved.
The remittance type specified in the header persists over any other type of deposits that were specified at the payment level.
For a specific deposit type, a specific posting can be defined on an intermediate account.
SEEREFERTTO Refer to the documentation on the Payment transactions for further details.