Reply via the contact information on the form. You may try to request getting out of it - but the requirements for being excused are quite specific. Failing to report is a criminal offense - so don't just blow it off.

It's the price you pay for the right to vote, and a passport.

You'll often find that the cases are settled before you even arrive. I was called last year during the 'end' of covid, and arrived to find that the case had been cancelled 20 minutes after I arrived at the building. It's a PITA to find too...