How to read personnel number COST (account) assignment data

The following article shows a way, how to read personnel number COST (account) assignment data.

1. Call transaction PA20 (Display HR Master data) and enter a relevant personnel number with the direct selection of infotype 0015 - Additional Payments.
   
2. Hit DISPLAY button (F7) . And click on the COST ASSIGNMENT button .
   
3. The list of relevant ACCOUNT ASSIGNMENT data.
   

In order to read such information, data must be read from infotype 0015 (PA0015: HR Master Record: Infotype 0015 (Additional Payments)) and from a view ASSOB_HR (Relationship Between HR Master Data and Assignment Objects).

First the most relevant and valid entry must be read from the infotype 0015, with the focus on a proper payment type (This is crucially essential!)!
Afterwards a selection from a view ASSOB_HR can be made by using the obtained entry from infotyp 0015.