@OP from what I remember when I was at Fiserv and when they first implemented badge tracking in Omaha, was they track the first badge swipe and the last. It was not uncommon for folks to leave for lunch during the day however every door had a badge scanner. For example, you come in, badge in (thats ur first swipe), you leave campus and badge out, then come back and badge in. Then at the end of the day you leave and badge out (ur last swipe). The hours that "count" are when you are in the building and that's whats key.
I can't say for certain how ur specific scenario will be handled but if there's an exploit use it and keep it to yourself.
I was a manager and our VP would get a report sent out weekly about badge swipes and if someone wasn't in office for the allotted 8-9 hours you would get a talking to and need to explain why you weren't in office.
One last note, this was back in 2024/2025 when Sapience (computer/click tracking) was still in full force and from what I'm told by some friends/colleagues that are still FiServants things have changed (for the good, better, or worse) and it is dependent on location, manager, etc. So take this as more of generalized info more than a specific answer to ur question.
Now go badge in and create some shareholder value FiServant lmao