1. to fill in
You have to fill in both forms.
If you want to complain about your reservation you have to fill in this form.
to fill in a card
to fill in the form
English word "eintragen"(to fill in) occurs in sets:
Alphabetischer Wortschatz - E2. to enter
English word "eintragen"(to enter) occurs in sets:
User interface - Benutzeroberfläche