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1. LOCK BOX PROCESS FLOW – Implemented in SAP System - Anatasayanan VedamNagdar
Create a lockbox account for House Bank BOA2 in the company code XXXX -
, which acts as a payment collection accounts for customer payments.
Inform to customers who can do payments against the open items by submitting the payment details to
the established bank lockbox account mentioned above. The bank collects these payments along with
the customer’s remittance information that indicates what open items the customer payments intend to
clear.
Data entry clerks at the bank manually enter the information into an electronic file for transmission to
the company to which the lockbox account belongs. These files are typically transferred to the various
lockbox owners or companies. The files which are used adhere to a standard banking industry
transmission format – BAI2, which is supported by SAP system.
BAI2 splits the check total into separate invoice references and associated payment amounts.
Define Destination and Origin for the above lockbox in the company code XXXX, explaining the Lockbox
bank data with posting parameters –

2. STEP 1: In the transaction code FLB2 or by executing the program RFEBLB00 from transaction code SE38,
process the lockbox file.
Program – RFEBLB00 or directly can go to transaction code FBL2.
File Processed - /home/intadm/sapinbox/820us10.save.20140228.154336
Click on Execute
See the details of the documents posted in the system:

3. The file details stored in the directory can be extracted from the transaction code – AL11, by selecting
the directory – intadm/sapinbox, and the file name is - 820us10.save.20140228.154336:
1. Lockbox number, destination & origin are highlighted with orange border line.
2. Check numbers highlighted with blue border line.
3. Name of the customer is highlighted with black border line.
4. The amounts are highlighted with red border line.
STEP 2: Lockbox – Post processing data from transaction code FLB1 –
Select only one field either destination or origin, and execute the post processing details and select the
date of posting in the system:

4. Now verify the document number – 1200083357 (highlighted with dark blue border line), that debit &
credit is done for the same GL account as shown in the screen shot below:

5. Verify the document number – 1200083358 (highlighted with dark blue border line), that debit & credit
is done for the same GL account as shown in the screen shot below:
STEP 3: From the above file processing, see the line item details of the customer Number – 732639:
Display Customer Line Items (FBL5N) –

6. STEP 4: From the above file processing, see the line item details for the customer number – 718965:
Display Customer Line Items (FBL5N) –

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