# How do I know which of my crew members' documents are about to expire?

**Warnings** not only give you an overview of the documents that are about to expire, it also provides additional information, such as birthdays and a list of people for whom the known qualifications do not correspond to the rank entered.

[![crewwarnings.png](https://docs.mxsuite.nl/uploads/images/gallery/2024-11/scaled-1680-/crewwarnings.png)](https://docs.mxsuite.nl/uploads/images/gallery/2024-11/crewwarnings.png)

- **Employee notification**: This provides an overview of the crew members' expired documents.
- **Birthdays**: This view provides an overview of the crew members born on this day. In the module Crewing, you can specify a certain period to create a list of all birthdays such as in the past seven days, today, and the next seven days.
- **On board expiries**: This shows the expired documents of crew members currently planned to be on board.
- **Ranks**: This shows the crew members whose rank as listed in the General tab does not correspond to their known qualifications and educations.
- **Planning**: This shows the planning warnings, such as failure to meet the safe manning requirements.