https://www.epo.org/en/service-support/faq/learning/pan-european-seal-young-professionals-programme-students/there-closing

Is there a closing date and time for applications?

Yes. The application closing date is always specified in the vacancy notice. Usually this is around Mid-March.

Applications must be submitted by 23.59 hrs (CET) on the date specified in the vacancy notice. You are encouraged to submit your application well in advance of the deadline to avoid any unforeseen technical issues.