Integration with the Posting of Payment Transactions 
Use
Posting payroll results ensures that the personnel expenses that arise within the company are posted in Financial Accounting and Cost Accounting. The resulting payables are also offset as follows:
Activities
These payables are triggered in Financial Accounting as follows:
The following steps are performed for each transaction:

Steps 2 and 3 are performed either automatically or manually, based on the country and respective payment transaction.
When the appropriate account statements are created, the Bank clearing account to bank posting run clears the bank clearing account.
See also:
Germany: Integration with the Posting of Payment Transactions USA: Integration with the Posting of Payment Transactions