It is about a notice, but once you lay off a person it is a liability to give them access to internal systems. So majority of companies turn it around and make

It is about a notice, but once you lay off a person it is a liability to give them access to internal systems. So majority of companies turn it around and make it look like that's also part of severance. It makes them look better and they follow the law. There is no requirement to pay severance anyway.