What needs to be stated in the contract?
A lot!
Among other things, the contract must include the following information:
- your identity;
- a short job description;
- the start and end dates of the job;
- the work duration;
- the pay (or the basis and method of calculation).
- ...
The full list of what is mandatory is given on the website of the FPS Employment, Labour and Social Dialogue, where you can also find a model of a student contract.