We got through and talked to an agent, the information sent to us is reproduced below, which is also available on the IRCC website:
Missed citizenship ceremony
If you missed or you cannot attend the
citizenship ceremony, rest assured that we may be able to reschedule you.
To do so, please send the following information to the responsible office within
30 days from the date of your appointment:
- A reasonable explanation, and
- Proof to support your explanation.
You can send your explanation either by:
- Email/Mail using the email/mailing address indicated on the email/letter you received,
- if you did not receive an email/a letter, you may find the mailing address of the office on our website, or
- Using the IRCC Web form.
Your application may be considered abandoned if:
- Once the 30-day period has elapsed, no response has been provided, or
- An acceptable explanation was not provided.
Important facts to keep in mind
- If you received a first notice for the ceremony, but did not attend, and
- You did not contact us to let us know ordid not provide an acceptable explanation:
- you will be automatically rescheduled at a later date and will receive a final notice,
- however, if an acceptable explanation was provided, you will receive a new first notice.
For more information, we invite you to consult: